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Rustamadji P, Wiyarta E, Anggreani I. Exploring the Expression of Survivin on Neoadjuvant Chemotherapy in Invasive Breast Carcinoma. Open Access Maced J Med Sci 2022. [DOI: 10.3889/oamjms.2022.9940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Background: Biomarkers are required to monitor the response to neoadjuvant chemotherapy (NC) in patients with invasive breast cancer (IBC). The purpose of this study is to determine the function of Survivin in the administration of NC, both taxane- and non-taxane-based, to patients with IBC.
Methods: Thirty-one samples were categorized according to the NC's administrative status (before or after) and the type of NC used (taxane- or non-taxane-based). Age, tumor grade, receptor status (ER, PR, HER2, Ki-67), and survivin expression were evaluated. Survivin expressions were evaluated by IHC staining and categorized according median H-score cut-offs, while other data were collected from archives. Data was gathered and analyzed using generalized linear model.
Results: Survivin expression decreased following NC administration, although not significantly (p=0.285). The taxane group had lower survivin expression. Statistically, this was not significant (p=0.329). The non-taxane group had the same outcome (p=0.792). The decline in survivin expression was greater in the taxane group than in the non-taxane group, although it was not statistically significant (p=0.369).
Conclusion: Although the changes in survivin expression were not statistically significant, when clinical and laboratory data are analyzed, survivin expression has the potential to be a predictive biomarker of NC response as well as clinical outcome in IBC.
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Tang Y, Zhou Y, Fan S, Wen Q. The Multiple Roles and Therapeutic Potential of HSP60 in Cancer. Biochem Pharmacol 2022; 201:115096. [DOI: 10.1016/j.bcp.2022.115096] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 05/13/2022] [Accepted: 05/16/2022] [Indexed: 02/07/2023]
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Morales F, Pérez P, Tapia JC, Lobos-González L, Herranz JM, Guevara F, de Santiago PR, Palacios E, Andaur R, Sagredo EA, Marcelain K, Armisén R. Increase in ADAR1p110 activates the canonical Wnt signaling pathway associated with aggressive phenotype in triple negative breast cancer cells. Gene 2022; 819:146246. [PMID: 35122924 DOI: 10.1016/j.gene.2022.146246] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 12/13/2021] [Accepted: 01/18/2022] [Indexed: 12/21/2022]
Abstract
Triple-negative breast cancer (TNBC) represents a challenge in the search for new therapeutic targets. TNBCs are aggressive and generate resistance to chemotherapy. Tumors of TNBC patients with poor prognosis present a high level of adenosine deaminase acting on RNA1 (ADAR1). We explore the connection of ADAR1 with the canonical Wnt signaling pathway and the effect of modulation of its expression in TNBC. Expression data from cell line sequencing (DepMap) and TCGA samples were downloaded and analyzed. We lentivirally generated an MDA-MB-231 breast cancer cell line that overexpress (OE) ADAR1p110 or an ADAR knockdown. Abundance of different proteins related to Wnt/β-catenin pathway and activity of nuclear β-catenin were analyzed by Western blot and luciferase TOP/FOP reporter assay, respectively. Cell invasion was analyzed by matrigel assay. In mice, we study the behavior of tumors generated from ADAR1p110 (OE) cells and tumor vascularization immunostaining were analyzed. ADAR1 connects to the canonical Wnt pathway in TNBC. ADAR1p110 overexpression decreased GSK-3β, while increasing active β-catenin. It also increased the activity of nuclear β-catenin and increased its target levels. ADAR1 knockdown has the opposite effect. MDA-MB-231 ADAR1 (OE) cells showed increased capacity of invasion. Subsequently, we observed that tumors derived from ADAR1p110 (OE) cells showed increased invasion towards the epithelium, and increased levels of Survivin and CD-31 expressed in vascular endothelial cells. These results indicate that ADAR1 overexpression alters the expression of some key components of the canonical Wnt pathway, favoring invasion and neovascularization, possibly through activation of the β-catenin, which suggests an unknown role of ADAR1p110 in aggressiveness of TNBC tumors.
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Affiliation(s)
- Fernanda Morales
- Centro de Investigación y Tratamiento del Cáncer, Facultad de Medicina, Universidad de Chile, Independencia 1027, Santiago, Chile; Center of Excellence in Precision Medicine, Pfizer Chile, Obispo Arturo Espinoza Campos 2526, Santiago, Chile
| | - Paola Pérez
- Center of Excellence in Precision Medicine, Pfizer Chile, Obispo Arturo Espinoza Campos 2526, Santiago, Chile; NIDCR, National Institute of Health, 9000 Rockville Pike, Bldg 10, Room 1A01, Bethesda, MD, USA
| | - Julio C Tapia
- Programa de Biología Celular y Molecular, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Independencia 1027, Santiago, Chile
| | - Lorena Lobos-González
- Centro De Medicina Regenerativa, Facultad de Medicina - Clínica Alemana, Universidad Del Desarrollo, Av. Las Condes 12496, Santiago, Chile; Fundación Ciencia & Vida - Andes Biotechnologies S.A., Av. Zanartu 1482, Santiago, Chile
| | - José Manuel Herranz
- Departamento de Anatomía Patológica, Hospital Clínico Universidad de Chile, Santos Dumont 999, Santiago, Chile
| | - Francisca Guevara
- Fundación Ciencia & Vida - Andes Biotechnologies S.A., Av. Zanartu 1482, Santiago, Chile
| | - Pamela Rojas de Santiago
- Center of Excellence in Precision Medicine, Pfizer Chile, Obispo Arturo Espinoza Campos 2526, Santiago, Chile; Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Avda. Libertador Bernardo ÓHiggins 340, Santiago, Chile
| | - Esteban Palacios
- Programa de Biología Celular y Molecular, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Independencia 1027, Santiago, Chile
| | - Rodrigo Andaur
- Departamento de Oncología Básico Clínica, Facultad de Medicina, Universidad de Chile, Independencia 1027, Santiago, Chile; Comisión Chilena de Energía Nuclear, Nueva Bilbao 12501, Las Condes, Santiago Chile
| | - Eduardo A Sagredo
- Centro de Investigación y Tratamiento del Cáncer, Facultad de Medicina, Universidad de Chile, Independencia 1027, Santiago, Chile; Center of Excellence in Precision Medicine, Pfizer Chile, Obispo Arturo Espinoza Campos 2526, Santiago, Chile; Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Svante Arrhenius väg 20C, 106 91 Stockholm, Sweden
| | - Katherine Marcelain
- Centro de Investigación y Tratamiento del Cáncer, Facultad de Medicina, Universidad de Chile, Independencia 1027, Santiago, Chile; Departamento de Oncología Básico Clínica, Facultad de Medicina, Universidad de Chile, Independencia 1027, Santiago, Chile
| | - Ricardo Armisén
- Centro de Genética y Genómica, Instituto de Ciencias e Innovación en Medicina, Facultad de Medicina Clínica Alemana Universidad del Desarrollo, Av. Las Condes 12461, Edificio 3, oficina 205, CP 7590943, Santiago, Chile.
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Sato K, Osaka E, Fujiwara K, Fujii R, Takayama T, Tokuhashi Y, Nakanishi K. miRNA‑218 targets multiple oncogenes and is a therapeutic target for osteosarcoma. Oncol Rep 2022; 47:92. [PMID: 35293593 PMCID: PMC8968766 DOI: 10.3892/or.2022.8303] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 02/18/2022] [Indexed: 11/25/2022] Open
Abstract
Survivin is overexpressed in various cancers and is correlated with treatment resistance and prognosis. MicroRNAs (miRNAs) directly regulate several target genes and are potential therapeutic agents for various cancers. The present study evaluated multiple gene targets of miR-218, including survivin, in osteosarcoma and compared the anti-tumor effects of miR-218 with those of YM155, an anti-survivin agent. It assessed the expression levels of miR-218 and survivin in osteosarcoma and osteoblast cell lines, as well as the proliferative, migratory and invasive capacities of cells following treatment with miR-218 or YM155. The form of cell death was assessed using fluorescence-activated cell sorting analysis to examine the expression of invasion ability-related genes. Osteosarcoma cell lines were subcutaneously injected into immunodeficient mice; the mice were then treated with miR-218 or YM155 to assess the anti-tumor effects of these agents. The results showed that miR-218 was downregulated, whereas survivin was overexpressed in the osteosarcoma cell line compared with normal osteoblast cells. The expression of survivin was suppressed upon overexpression of miR-218 (miR-218 group) or administration of YM155 (YM155 group), leading to apoptosis and inhibition of osteosarcoma cell proliferation. Invasion and migration abilities were inhibited in the miR-218 group, but not in the YM155 group. In the animal model, both the miR-218 and YM155 groups showed a reduced tumor volume and decreased survivin expression. In osteosarcoma, miR-218 showed a wider range of therapeutic efficacy compared with YM155, suggesting that miR-218 should be evaluated as a treatment target.
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Affiliation(s)
- Kentaro Sato
- Department of Orthopedic Surgery, Nihon University Hospital, Chiyoda‑ku, Tokyo 101‑8309, Japan
| | - Eiji Osaka
- Department of Orthopedic Surgery, Nihon University School of Medicine, Itabashi‑ku, Tokyo 173‑8610, Japan
| | - Kyoko Fujiwara
- Department of Internal Medicine, Nihon University School of Medicine, Itabashi‑ku, Tokyo 173‑8610, Japan
| | - Ryota Fujii
- Department of Orthopedic Surgery, Nihon University School of Medicine, Itabashi‑ku, Tokyo 173‑8610, Japan
| | - Tadateru Takayama
- Department of Internal Medicine, Nihon University School of Medicine, Itabashi‑ku, Tokyo 173‑8610, Japan
| | - Yasuaki Tokuhashi
- Department of Orthopedic Surgery, Tachikawa Kinen Hospital, Kasama City, Ibaraki 309‑1736, Japan
| | - Kazuyoshi Nakanishi
- Department of Orthopedic Surgery, Nihon University School of Medicine, Itabashi‑ku, Tokyo 173‑8610, Japan
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Rawat L, Nayak V. Piperlongumine induces ROS mediated apoptosis by transcriptional regulation of SMAD4/P21/P53 genes and synergizes with doxorubicin in osteosarcoma cells. Chem Biol Interact 2022; 354:109832. [PMID: 35085581 DOI: 10.1016/j.cbi.2022.109832] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 01/09/2022] [Accepted: 01/21/2022] [Indexed: 01/21/2023]
Abstract
Piperlongumine is a herbal drug, with well-known anti-microbial and anti-neoplastic properties. The anti-carcinogenic potential of piperlongumine has been extensively explored for breast, colorectal, lungs, pancreatic, prostate, and oral carcinoma. However, a few numbers of studies are available on its bio-activity in osteosarcoma. Therefore, the present study aimed at exploring the therapeutic potential and possible mechanisms of action of piperlongumine in three human osteosarcoma cell lines in-vitro. The cytotoxicity of piperlongumine was determined by MTT assay, which shows dose and time-dependent inhibition of MG-63, 143B and KHOS/NP cells. Piperlongumine arrest the cells in G2/M phase of cell cycle and increases reactive oxygen species production, which possibly leads to lethal oxidative stress and apoptosis. Piperlongumine treatment significantly upregulated the expression of genes BAX, P21, P53, and SMAD4; while the BCL-2, SURVIVIN, TNFA, and NFKB genes expression was found down-regulated. Furthermore, piperlongumine exposure inhibited the migration of osteosarcoma cells as the expression of migration marker genes CDH2, CTNNB1, FN1, and TWIST were found to be down-regulated. The drug combination studies show the synergistic effect of piperlongumine with the conventional chemotherapeutic drug doxorubicin in osteosarcoma cells. Taken together, the above results suggest that PL displays anticancer properties against osteosarcoma and can be used as a therapeutic agent for osteosarcoma treatment in clinical settings.
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Affiliation(s)
- Laxminarayan Rawat
- Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, K.K. Birla Goa Campus, NH-17B, Zuarinagar, Goa, 403726, India.
| | - Vijayashree Nayak
- Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, K.K. Birla Goa Campus, NH-17B, Zuarinagar, Goa, 403726, India.
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Immunotherapy for Colorectal Cancer: Mechanisms and Predictive Biomarkers. Cancers (Basel) 2022; 14:cancers14041028. [PMID: 35205776 PMCID: PMC8869923 DOI: 10.3390/cancers14041028] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/07/2022] [Accepted: 02/09/2022] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Late-stage colorectal cancer treatment often involves chemotherapy and radiation that can cause dose-limiting toxicity, and therefore there is great interest in developing targeted therapies for this disease. Immunotherapy is a targeted therapy that uses peptides, cells, antibodies, viruses, or small molecules to engage or train the immune system to kill cancer. Here, we discuss the preclinical and clinical development of immunotherapy for treatment of colorectal cancer and provide an overview of predictive biomarkers for such treatments. We also consider open questions including optimal combination treatments and sensitization of colorectal cancer patients with proficient mismatch repair enzymes. Abstract Though early-stage colorectal cancer has a high 5 year survival rate of 65–92% depending on the specific stage, this probability drops to 13% after the cancer metastasizes. Frontline treatments for colorectal cancer such as chemotherapy and radiation often produce dose-limiting toxicities in patients and acquired resistance in cancer cells. Additional targeted treatments are needed to improve patient outcomes and quality of life. Immunotherapy involves treatment with peptides, cells, antibodies, viruses, or small molecules to engage or train the immune system to kill cancer cells. Preclinical and clinical investigations of immunotherapy for treatment of colorectal cancer including immune checkpoint blockade, adoptive cell therapy, monoclonal antibodies, oncolytic viruses, anti-cancer vaccines, and immune system modulators have been promising, but demonstrate limitations for patients with proficient mismatch repair enzymes. In this review, we discuss preclinical and clinical studies investigating immunotherapy for treatment of colorectal cancer and predictive biomarkers for response to these treatments. We also consider open questions including optimal combination treatments to maximize efficacy, minimize toxicity, and prevent acquired resistance and approaches to sensitize mismatch repair-proficient patients to immunotherapy.
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The Aqueous Leaf Extract of M. Oleifera Inhibits PEDV Replication through Suppressing Oxidative Stress-Mediated Apoptosis. Animals (Basel) 2022; 12:ani12040458. [PMID: 35203166 PMCID: PMC8868277 DOI: 10.3390/ani12040458] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 02/06/2022] [Accepted: 02/08/2022] [Indexed: 02/07/2023] Open
Abstract
Simple Summary The porcine epidemic diarrhea virus (PEDV), a porcine enteropathogenic coronavirus, can cause enormous economic losses in the swine industry. There is no effective commercial vaccine against PEDV infection. In this study, we found that an aqueous leaf extract of M. oleifera (MOE) exhibited antiviral activity in response to PEDV infection at the stage of PEDV replication instead of attachment or internalization. Mechanistically, MOE suppressed the oxidative stress and the expression of inflammatory cytokines induced by PEDV infection and upregulated the expression of anti-apoptotic proteins, which further led to less cell apoptosis. This study is the first report showing that MOE has antiviral potential as a new prophylactic and therapeutic strategy against PEDV infection. Abstract Porcine epidemic diarrhea (PED), one of the serious enteric diseases caused by the porcine epidemic diarrhea virus (PEDV), is responsible for enormous economic losses in the global swine industry. However, available commercial vaccines fail to protect pigs from PEDV infection due to the appearance of PEDV variants. Hence, it is necessary to find an effective and cost-efficient natural product to protect pigs from PEDV infection. In this study, we first found that an aqueous leaf extract of M. oleifera (MOE) exhibited antiviral activity in response to PEDV infection. Furthermore, time-of-addition experiments revealed that MOE inhibited PEDV replication rather than attachment and internalization. Mechanistically, MOE significantly suppressed the production of reactive oxygen species (ROS) and malondialdehyde (MDA) induced by PEDV infection, and restored glutathione peroxidase (GSH-Px) activity. Importantly, the addition of MOE alleviated oxidative stress and the expression of inflammatory cytokines and resulted in fewer apoptotic cells during PEDV infection. These results indicated that MOE might be an effective anti-PEDV drug used to control PED disease and may be helpful in developing a new prophylactic and therapeutic strategy against PEDV.
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Ajuba Overexpression Promotes Breast Cancer Chemoresistance and Glucose Uptake through TAZ-GLUT3/Survivin Pathway. BIOMED RESEARCH INTERNATIONAL 2022; 2022:3321409. [PMID: 35178446 PMCID: PMC8844350 DOI: 10.1155/2022/3321409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 01/04/2022] [Accepted: 01/10/2022] [Indexed: 11/18/2022]
Abstract
The LIM protein Ajuba has been implicated in the development of human cancers. To date, its expression pattern and biological significance in breast cancers (BC) have not been fully investigated. In the current study, we examined Ajuba protein levels in 93 invasive ductal carcinoma specimens by immunohistochemistry. The Ajuba expression level was elevated in breast cancer tissue compared with normal tissue. Ajuba overexpression is correlated with advanced tumor-node-metastasis (TNM) stage, positive node status, and adverse patient outcomes. The Ajuba protein level was also higher in BC cell lines compared to normal breast epithelial cell line MCF-10A. Ectopically expressed Ajuba in MCF-7 cells stimulated in vitro and in vivo cell growth, invasion, cell cycle progression, and decreased paclitaxel-induced apoptosis. RNA-sequencing (RNA-seq) followed by gene set enrichment analysis (GSEA) analysis showed that Ajuba overexpression regulated the Hippo signaling pathway. Ajuba overexpression also increased glucose uptake and increased expression of TAZ, GLUT3, and Survivin. TAZ knockdown abolished the role of Ajuba on GLUT3 and Survivin induction. The ChIP assay showed that TEAD4, a major TAZ binding transcription factor, could bind to the GLUT3 and Survivin promoter regions. In conclusion, our data demonstrated that elevated Ajuba expression is correlated with poor BC prognosis and regulated malignant behavior through TAZ-GLUT3/Survivin signaling in BC cells.
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Cheng B, Ahn HH, Nam H, Jiang Z, Gao FJ, Minn I, Pomper MG. A Unique Core–Shell Structured, Glycol Chitosan-Based Nanoparticle Achieves Cancer-Selective Gene Delivery with Reduced Off-Target Effects. Pharmaceutics 2022; 14:pharmaceutics14020373. [PMID: 35214105 PMCID: PMC8878887 DOI: 10.3390/pharmaceutics14020373] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 01/31/2022] [Accepted: 02/03/2022] [Indexed: 12/20/2022] Open
Abstract
The inherent instability of nucleic acids within serum and the tumor microenvironment necessitates a suitable vehicle for non-viral gene delivery to malignant lesions. A specificity-conferring mechanism is also often needed to mitigate off-target toxicity. In the present study, we report a stable and efficient redox-sensitive nanoparticle system with a unique core–shell structure as a DNA carrier for cancer theranostics. Thiolated polyethylenimine (PEI-SH) is complexed with DNA through electrostatic interactions to form the core, and glycol chitosan-modified with succinimidyl 3-(2-pyridyldithio)propionate (GCS-PDP) is grafted on the surface through a thiolate-disulfide interchange reaction to form the shell. The resulting nanoparticles, GCS-PDP/PEI-SH/DNA nanoparticles (GNPs), exhibit high colloid stability in a simulated physiological environment and redox-responsive DNA release. GNPs not only show a high and redox-responsive cellular uptake, high transfection efficiency, and low cytotoxicity in vitro, but also exhibit selective tumor targeting, with minimal toxicity, in vivo, upon systemic administration. Such a performance positions GNPs as viable candidates for molecular-genetic imaging and theranostic applications.
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Affiliation(s)
- Bei Cheng
- Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (B.C.); (H.-H.A.); (H.N.); (Z.J.)
| | - Hye-Hyun Ahn
- Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (B.C.); (H.-H.A.); (H.N.); (Z.J.)
| | - Hwanhee Nam
- Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (B.C.); (H.-H.A.); (H.N.); (Z.J.)
- Institute for NanoBioTechnology (INBT), Johns Hopkins University, Baltimore, MD 21218, USA
| | - Zirui Jiang
- Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (B.C.); (H.-H.A.); (H.N.); (Z.J.)
| | - Feng J. Gao
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA;
| | - Il Minn
- Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (B.C.); (H.-H.A.); (H.N.); (Z.J.)
- Institute for NanoBioTechnology (INBT), Johns Hopkins University, Baltimore, MD 21218, USA
- Correspondence: (I.M.); (M.G.P.)
| | - Martin G. Pomper
- Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (B.C.); (H.-H.A.); (H.N.); (Z.J.)
- Institute for NanoBioTechnology (INBT), Johns Hopkins University, Baltimore, MD 21218, USA
- Correspondence: (I.M.); (M.G.P.)
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Lee HJ, Lee JH, Lee SM, Kim NH, Moon YG, Tak TK, Hyun M, Heo JD. Cadmium induces cytotoxicity in normal mouse renal MM55.K cells. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2022; 32:131-140. [PMID: 32191530 DOI: 10.1080/09603123.2020.1739236] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 03/02/2020] [Indexed: 06/10/2023]
Abstract
The toxicity of cadmium (Cd) occurs through accumulation in the environment. The precise mechanism underlying Cd toxicity remains unclear. Therefore, in the present study, we studied the effects of Cd on MM55.K cells and investigated the mechanisms underlying Cd-induced cell death. CdCl2 significantly elevated apoptotic cell death, mitochondrial membrane potential (ΔΨm) loss, and caspase-dependent cell death. Moreover, immunoblotting results revealed that CdCl2 down-regulated the inhibitor of apoptotic protein such as survivin and Bcl-2 which led to the activation of caspase-3 and the cleavage of PARP in MM55.K cells. Besides, CdCl2 caused the up-regulation of ROS-related proteins such as HO-1 and ER stress-related proteins such as GRP78 and CHOP in MM55.K cells. CdCl2 toxicity resulted in the down-regulation of the AKT pathway that leads to the up-regulation of phosphorylated JNK and p38 in MM55.K cells. Thus, CdCl2 induce toxicity by AKT/MAPK regulation and causing ROS production, ER stress, ΔΨm loss, and apoptotic cell death in normal mouse renal cells.
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Affiliation(s)
- Ho Jeong Lee
- Biological Resources Research Group, Bioenvironmental Science & Toxicology Division, Gyeongnam Branch Institute, Korea Institute of Toxicology (KIT), Jinju, Republic of Korea
| | - Ju Hong Lee
- Biological Resources Research Group, Bioenvironmental Science & Toxicology Division, Gyeongnam Branch Institute, Korea Institute of Toxicology (KIT), Jinju, Republic of Korea
| | - Seon Min Lee
- Biological Resources Research Group, Bioenvironmental Science & Toxicology Division, Gyeongnam Branch Institute, Korea Institute of Toxicology (KIT), Jinju, Republic of Korea
| | - Na Hyun Kim
- Biological Resources Research Group, Bioenvironmental Science & Toxicology Division, Gyeongnam Branch Institute, Korea Institute of Toxicology (KIT), Jinju, Republic of Korea
| | - Yeon Gyu Moon
- Biological Resources Research Group, Bioenvironmental Science & Toxicology Division, Gyeongnam Branch Institute, Korea Institute of Toxicology (KIT), Jinju, Republic of Korea
| | - Tae Kil Tak
- Biological Resources Research Group, Bioenvironmental Science & Toxicology Division, Gyeongnam Branch Institute, Korea Institute of Toxicology (KIT), Jinju, Republic of Korea
| | - Moonjung Hyun
- Biological Resources Research Group, Bioenvironmental Science & Toxicology Division, Gyeongnam Branch Institute, Korea Institute of Toxicology (KIT), Jinju, Republic of Korea
| | - Jeong Doo Heo
- Biological Resources Research Group, Bioenvironmental Science & Toxicology Division, Gyeongnam Branch Institute, Korea Institute of Toxicology (KIT), Jinju, Republic of Korea
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Li QM, Lin GS, Duan WG, Cui YC, Li FY, Lei FH, Li DP. Design, synthesis, and antiproliferative evaluation of novel longifolene-derived tetraline pyrimidine derivatives with fluorescence properties. NEW J CHEM 2022. [DOI: 10.1039/d2nj01054b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In the search for novel compounds with both survivin inhibitory activity and fluorescence properties, 18 novel longifolene-derived tetralin pyrimidine compounds were designed using survivin as the target and synthesized from the sustainable natural resource longifolene.
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Affiliation(s)
- Qing-Min Li
- School of Chemistry and Chemical Engineering, Guangxi University, No. 100, Daxue Dong Road, Nanning, Guangxi, 530004, People's Republic of China
| | - Gui-Shan Lin
- School of Chemistry and Chemical Engineering, Guangxi University, No. 100, Daxue Dong Road, Nanning, Guangxi, 530004, People's Republic of China
| | - Wen-Gui Duan
- School of Chemistry and Chemical Engineering, Guangxi University, No. 100, Daxue Dong Road, Nanning, Guangxi, 530004, People's Republic of China
| | - Yu-Cheng Cui
- School of Chemistry and Chemical Engineering, Guangxi University, No. 100, Daxue Dong Road, Nanning, Guangxi, 530004, People's Republic of China
| | - Fang-Yao Li
- College of Pharmacy, Guilin Medical University, Guilin, Guangxi, 530004, People's Republic of China
| | - Fu-Hou Lei
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, Guangxi University for Nationalities, Nanning, Guangxi, 530004, People's Republic of China
| | - Dian-Peng Li
- Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin, 541006, China
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Klauser AL, Hirschfeld M, Ritter A, Rücker G, Jäger M, Gundarova J, Weiss D, Juhasz-Böss I, Berner K, Erbes T, Asberger J. Anticarcinogenic Effects of Odorant Substances Citral, Citrathal R and Cyclovertal on Breast Cancer in vitro. BREAST CANCER: TARGETS AND THERAPY 2021; 13:659-673. [PMID: 34916844 PMCID: PMC8668161 DOI: 10.2147/bctt.s322619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 09/17/2021] [Indexed: 12/09/2022]
Abstract
Purpose In 2020, breast cancer still represents the most common type of cancer in women worldwide. Depending on the specific molecular subtype, clinical breast cancer management comprises surgery, radiotherapy, chemotherapy and targeted therapy. Furthermore, there are some therapeutic approaches from the field of complementary and alternative medicine. Current research focuses on the elucidation of new therapeutic targets for treatment development. Odorant substances affect apoptosis, proliferation and cell cycle in healthy and cancerous cells. Exact signalling pathways involved are not entirely clear. The present study aims to analyse their therapeutic potential in breast cancer. Methods This study focuses on the effect of commonly used odorant substances (citral, citrathal R, cyclovertal, para-cymol, hexylacetat, herbavert, dihydromyrcerol and limonen) on the breast cancer cell lines MDA-MB-231, T47-D and BT474. Methodologically, this study applied cell culturing, MTT assay for detection of IC50 of the odorant substance, RNA purification followed by qRT-PCR, protein isolation and Western Blot, as well as immunocytochemistry. Further, this study investigates the role of transient receptor potential channel V1 (TRPV1), involved in the mechanisms of action for some odorant substances. Therefore, capsazepine, a TRPV1 antagonist, was used. Results The odorant substances citral, citrathal R and cyclovertal have significant pro-apoptotic (p < 0.001), anti-proliferative (p < 0.001) and cell cycle-arresting effects measurable in RNA expression as well as in protein levels and immunocytochemical staining. The combination of citral and capsazepine no longer showed significant pro-apoptotic, antiproliferative, and cell cycle inhibitory effects compared to the compounds alone. This indicates that TRPV1 is necessary for the signal transduction of citral. Conclusion This present study reveals three odorant substances with effects on cell viability, indicating their potential use in breast cancer therapy. ![]()
Point your SmartPhone at the code above. If you have a QR code reader the video abstract will appear. Or use: https://youtu.be/-gpMvmx9sCU
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Affiliation(s)
| | - Marc Hirschfeld
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Department of Obstetrics and Gynecology, Medical Center – University of Freiburg, Freiburg, Germany
- Institute of Veterinary Medicine, University of Göttingen, Göttingen, Germany
| | - Andrea Ritter
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Department of Obstetrics and Gynecology, Medical Center – University of Freiburg, Freiburg, Germany
| | - Gerta Rücker
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Institute of Medical Biometry and Statistics, Medical Center – University of Freiburg, Freiburg, Germany
| | - Markus Jäger
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Department of Obstetrics and Gynecology, Medical Center – University of Freiburg, Freiburg, Germany
| | - Julia Gundarova
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Daniela Weiss
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Department of Obstetrics and Gynecology, Medical Center – University of Freiburg, Freiburg, Germany
| | - Ingolf Juhasz-Böss
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Department of Obstetrics and Gynecology, Medical Center – University of Freiburg, Freiburg, Germany
| | - Kai Berner
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Department of Obstetrics and Gynecology, Medical Center – University of Freiburg, Freiburg, Germany
| | - Thalia Erbes
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Department of Obstetrics and Gynecology, Medical Center – University of Freiburg, Freiburg, Germany
| | - Jasmin Asberger
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Department of Obstetrics and Gynecology, Medical Center – University of Freiburg, Freiburg, Germany
- Correspondence: Jasmin Asberger Department of Obstetrics and Gynecology, Faculty of Medicine and Medical Center – University of Freiburg, Hugstetterstr. 55, Freiburg, 79106, GermanyTel +49 761 270 30020Fax +49 761 270 30370 Email
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Scalp Acupuncture and Treadmill Training Inhibits Neuronal Apoptosis through Activating cIAP1 in Cerebral Ischemia Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:1418616. [PMID: 34804173 PMCID: PMC8604578 DOI: 10.1155/2021/1418616] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 10/02/2021] [Accepted: 10/26/2021] [Indexed: 12/20/2022]
Abstract
Stroke is the leading cause of long-term disability in developed countries. Multitudinous evidence suggests that treadmill training treatment is beneficial for balance and stroke rehabilitation; however, the need for stroke therapy remains unmet. In the present study, a cerebral ischemia rat model was established by permanent middle cerebral artery occlusion (pMCAO) to explore the therapeutic effect and mechanism of scalp acupuncture combined with treadmill training on ischemic stroke. Terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling and neuronal nuclear protein (NeuN) double staining and cellular inhibitor of apoptosis protein-1 (cIAP1) and NeuN immunofluorescence double staining were used to detect the short-term and long-term neuroprotective effects of scalp acupuncture combined with treadmill training on pMCAO rats. In addition, the antiapoptotic effect of the combined treatment was evaluated in pMCAO rats transfected with cIAP1 shRNA. Western blotting was used to detect the relative protein expression in the caspase-8/-9/-3 activation pathway downstream of cIAP1 to further clarify its regulatory mechanism. Our results showed that scalp acupuncture combined with treadmill training successfully achieved short-term and long-term functional improvement within 14 days after stroke, significantly inhibited neuronal apoptosis, and upregulated the expression of cIAP1 protein in the ischemic penumbra area of the ischemic brain. However, no significant functional improvement and antiapoptotic effect were found in pMCAO rats transfected with cIAP1 shRNA. Western blotting results showed that the combined therapy markedly inhibited the activation of the caspase-8/-9/-3 pathway. These findings indicate that scalp acupuncture combined with treadmill training therapy may serve as a more effective alternative modality in the treatment of ischemic stroke, playing an antiapoptotic role by upregulating the expression of cIAP1 and inhibiting the activation of the caspase-8/-9/-3 pathway.
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Bais AS, Cerqueira DM, Clugston A, Bodnar AJ, Ho J, Kostka D. Single-cell RNA sequencing reveals differential cell cycle activity in key cell populations during nephrogenesis. Sci Rep 2021; 11:22434. [PMID: 34789782 PMCID: PMC8599654 DOI: 10.1038/s41598-021-01790-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 10/27/2021] [Indexed: 02/08/2023] Open
Abstract
The kidney is a complex organ composed of more than 30 terminally differentiated cell types that all are required to perform its numerous homeostatic functions. Defects in kidney development are a significant cause of chronic kidney disease in children, which can lead to kidney failure that can only be treated by transplant or dialysis. A better understanding of molecular mechanisms that drive kidney development is important for designing strategies to enhance renal repair and regeneration. In this study, we profiled gene expression in the developing mouse kidney at embryonic day 14.5 at single-cell resolution. Consistent with previous studies, clusters with distinct transcriptional signatures clearly identify major compartments and cell types of the developing kidney. Cell cycle activity distinguishes between the "primed" and "self-renewing" sub-populations of nephron progenitors, with increased expression of the cell cycle-related genes Birc5, Cdca3, Smc2 and Smc4 in "primed" nephron progenitors. In addition, augmented expression of cell cycle related genes Birc5, Cks2, Ccnb1, Ccnd1 and Tuba1a/b was detected in immature distal tubules, suggesting cell cycle regulation may be required for early events of nephron patterning and tubular fusion between the distal nephron and collecting duct epithelia.
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Affiliation(s)
- Abha S Bais
- Department of Developmental Biology, Rangos Research Center 8117, University of Pittsburgh School of Medicine, 530 45th St, Pittsburgh, PA, 15224, USA
| | - Débora M Cerqueira
- Rangos Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
- Division of Nephrology, Department of Pediatrics, Rangos Research Center 5127, University of Pittsburgh School of Medicine, 530 45th St, Pittsburgh, PA, 15224, USA
| | - Andrew Clugston
- Department of Developmental Biology, Rangos Research Center 8117, University of Pittsburgh School of Medicine, 530 45th St, Pittsburgh, PA, 15224, USA
- Rangos Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
- Division of Nephrology, Department of Pediatrics, Rangos Research Center 5127, University of Pittsburgh School of Medicine, 530 45th St, Pittsburgh, PA, 15224, USA
| | - Andrew J Bodnar
- Rangos Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
- Division of Nephrology, Department of Pediatrics, Rangos Research Center 5127, University of Pittsburgh School of Medicine, 530 45th St, Pittsburgh, PA, 15224, USA
| | - Jacqueline Ho
- Rangos Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA.
- Division of Nephrology, Department of Pediatrics, Rangos Research Center 5127, University of Pittsburgh School of Medicine, 530 45th St, Pittsburgh, PA, 15224, USA.
| | - Dennis Kostka
- Department of Developmental Biology, Rangos Research Center 8117, University of Pittsburgh School of Medicine, 530 45th St, Pittsburgh, PA, 15224, USA.
- Department of Computational and Systems Biology and Pittsburgh Center for Evolutionary Biology and Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
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Agapito G, Cannataro M. Using BioPAX-Parser (BiP) to enrich lists of genes or proteins with pathway data. BMC Bioinformatics 2021; 22:376. [PMID: 34592927 PMCID: PMC8482563 DOI: 10.1186/s12859-021-04297-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 07/06/2021] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Pathway enrichment analysis (PEA) is a well-established methodology for interpreting a list of genes and proteins of interest related to a condition under investigation. This paper aims to extend our previous work in which we introduced a preliminary comparative analysis of pathway enrichment analysis tools. We extended the earlier work by providing more case studies, comparing BiP enrichment performance with other well-known PEA software tools. METHODS PEA uses pathway information to discover connections between a list of genes and proteins as well as biological mechanisms, helping researchers to overcome the problem of explaining biological entity lists of interest disconnected from the biological context. RESULTS We compared the results of BiP with some existing pathway enrichment analysis tools comprising Centrality-based Pathway Enrichment, pathDIP, and Signaling Pathway Impact Analysis, considering three cancer types (colorectal, endometrial, and thyroid), for a total of six datasets (that is, two datasets per cancer type) obtained from the The Cancer Genome Atlas and Gene Expression Omnibus databases. We measured the similarities between the overlap of the enrichment results obtained using each couple of cancer datasets related to the same cancer. CONCLUSION As a result, BiP identified some well-known pathways related to the investigated cancer type, validated by the available literature. We also used the Jaccard and meet-min indices to evaluate the stability and the similarity between the enrichment results obtained from each couple of cancer datasets. The obtained results show that BiP provides more stable enrichment results than other tools.
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Affiliation(s)
- Giuseppe Agapito
- Department of Legal, Economic and Social Sciences, University "Magna Graecia", Catanzaro, Italy. .,Data Analytics Research Center, University "Magna Graecia", Catanzaro, Italy.
| | - Mario Cannataro
- Department of Medical and Surgical Sciences, University "Magna Graecia", Catanzaro, Italy. .,Data Analytics Research Center, University "Magna Graecia", Catanzaro, Italy.
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Wang G, Fan XQ, Li L, Li Y, Shi B, Xing KX, Gao QL. Toosendanin Shows Potent Efficacy Against Human Ovarian Cancer through Caspase-Dependent Mitochondrial Apoptotic Pathway. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2021; 49:1757-1772. [PMID: 34521317 DOI: 10.1142/s0192415x2150083x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Toosendanin (TSN) is a triterpenoid extracted from the bark or fruits of Melia toosendan Sieb et Zucc, which is a traditional Chinese medicine and mainly grows in China and India. TSN has been verified to possess antitumor activities on various human cancers, whereas the effects of TSN on ovarian cancer (OC) has not been reported yet. Here, TSN was shown to significantly inhibit proliferation of SKOV3 and OVCAR3 cell lines in a dose- and time-dependent manner. Treatment of OC cells with TSN resulted in colony formation reduction, S and G2/M phase arrest, cell apoptosis, and dramatic decrease in mitochondrial membrane potential. Furthermore, TSN suppressed invasion and migration of OC cells. Research on molecular mechanism indicated that the above efficacy of TSN was associated with decreased expression of survivin, PARP-1, Bcl-2, Bcl-xl, caspase-3, caspase-9, MMP-2 and MMP-9 and increased expression of cleaved PARP-1, Bax, cleaved caspase-3 and cleaved caspase-9. Finally, in vivo results showed that TSN suppressed OC xenograft tumor growth by inducing apoptosis and regulating the related protein expression levels of SKOV3 cells in transplanted tumors. Taken together, our data provide new insights into TSN as a potentially effective reagent against human OC through caspase-dependent mitochondrial apoptotic pathway.
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Affiliation(s)
- Ge Wang
- Department of Traditional Chinese and Western Medicine, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan, P. R. China
| | - Xiu-Qi Fan
- Department of Traditional Chinese and Western Medicine, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan, P. R. China
| | - Lu Li
- Department of Traditional Chinese and Western Medicine, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan, P. R. China
| | - Yan Li
- Department of Traditional Chinese and Western Medicine, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan, P. R. China
| | - Bian Shi
- Department of Traditional Chinese and Western Medicine, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan, P. R. China
| | - Ke-Xin Xing
- Department of Traditional Chinese and Western Medicine, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan, P. R. China
| | - Qi-Long Gao
- Department of Traditional Chinese and Western Medicine, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan, P. R. China
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Carbonic Anhydrase IX and Survivin in Colorectal Adenocarcinoma Cells: Slovakian Population Study. BIOLOGY 2021; 10:biology10090872. [PMID: 34571749 PMCID: PMC8466885 DOI: 10.3390/biology10090872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/20/2021] [Accepted: 08/28/2021] [Indexed: 11/17/2022]
Abstract
Simple Summary This retrospective study (Slovakian population study) brings information about immunohistochemical detection of CAIX and survivin in 74 samples of human colorectal adenocarcinoma and comparison their expression with expression in healthy colon tissue. Our results show that all of samples with healthy colon tissue were CAIX and survivin-negative and there is no statistically significant dependence of these proteins and the chosen clinicopathological parameters. These findings demonstrate that detection of these proteins could be useful for tumor diagnostic and prognostic and CAIX and survivin could represent independent negative prognostic markers of colorectal cancer. Abstract The aim of this study was to detect carbonic anhydrase IX (CAIX) and survivin in the colorectal adenocarcinoma cells of the Slovakian population. We used an indirect three-step immunohistochemical method with DAB staining for the localization of the proteins and investigation their expression. We compared their expression with expression in healthy colorectal tissue. In 74 tissues of colorectal adenocarcinomas, 42% showed CAIX positivity and 20% showed survivin positivity. Brown membrane immunostaining was visible in CAIX-positive tumors. Survivin-positive tumors had strong brown cytoplasmic immunostaining. Co-expression of both proteins was present in five specimens (7%). The samples of normal colorectal tissue (without carcinoma) were CAIX-negative and survivin-negative. We also applied the Chi-squared test for evaluation statistically significant association between the expression of proteins and selected clinical and histopathological parameters. We did not find any statistically significant correlations between CAIX or survivin expression and sex of patients, the grade of the tumor, nodal status and presence of metastasis (p > 0.05). The fact that all samples of normal colorectal tissue were CAIX- and survivin-negative could lead to the possibility of using these two proteins as potential tumor diagnostic markers. On the basic of the available publications and data, we suggest that CAIX and survivin could be negative independent prognostic markers of colorectal cancer, which could affect response to therapy.
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Apoptosis Deregulation and the Development of Cancer Multi-Drug Resistance. Cancers (Basel) 2021; 13:cancers13174363. [PMID: 34503172 PMCID: PMC8430856 DOI: 10.3390/cancers13174363] [Citation(s) in RCA: 124] [Impact Index Per Article: 41.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/21/2021] [Accepted: 08/26/2021] [Indexed: 12/25/2022] Open
Abstract
Simple Summary Despite recent therapeutic advances against cancer, many patients do not respond well or respond poorly, to treatment and develop resistance to more than one anti-cancer drug, a term called multi-drug resistance (MDR). One of the main factors that contribute to MDR is the deregulation of apoptosis or programmed cell death. Herein, we describe the major apoptotic pathways and discuss how pro-apoptotic and anti-apoptotic proteins are modified in cancer cells to convey drug resistance. We also focus on our current understanding related to the interactions between survival and cell death pathways, as well as on mechanisms underlying the balance shift towards cancer cell growth and drug resistance. Moreover, we highlight the role of the tumor microenvironment components in blocking apoptosis in MDR tumors, and we discuss the significance and potential exploitation of epigenetic modifications for cancer treatment. Finally, we summarize the current and future therapeutic approaches for overcoming MDR. Abstract The ability of tumor cells to evade apoptosis is established as one of the hallmarks of cancer. The deregulation of apoptotic pathways conveys a survival advantage enabling cancer cells to develop multi-drug resistance (MDR), a complex tumor phenotype referring to concurrent resistance toward agents with different function and/or structure. Proteins implicated in the intrinsic pathway of apoptosis, including the Bcl-2 superfamily and Inhibitors of Apoptosis (IAP) family members, as well as their regulator, tumor suppressor p53, have been implicated in the development of MDR in many cancer types. The PI3K/AKT pathway is pivotal in promoting survival and proliferation and is often overactive in MDR tumors. In addition, the tumor microenvironment, particularly factors secreted by cancer-associated fibroblasts, can inhibit apoptosis in cancer cells and reduce the effectiveness of different anti-cancer drugs. In this review, we describe the main alterations that occur in apoptosis-and related pathways to promote MDR. We also summarize the main therapeutic approaches against resistant tumors, including agents targeting Bcl-2 family members, small molecule inhibitors against IAPs or AKT and agents of natural origin that may be used as monotherapy or in combination with conventional therapeutics. Finally, we highlight the potential of therapeutic exploitation of epigenetic modifications to reverse the MDR phenotype.
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Kumavath R, Paul S, Pavithran H, Paul MK, Ghosh P, Barh D, Azevedo V. Emergence of Cardiac Glycosides as Potential Drugs: Current and Future Scope for Cancer Therapeutics. Biomolecules 2021; 11:1275. [PMID: 34572488 PMCID: PMC8465509 DOI: 10.3390/biom11091275] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 08/17/2021] [Accepted: 08/18/2021] [Indexed: 12/24/2022] Open
Abstract
Cardiac glycosides are natural sterols and constitute a group of secondary metabolites isolated from plants and animals. These cardiotonic agents are well recognized and accepted in the treatment of various cardiac diseases as they can increase the rate of cardiac contractions by acting on the cellular sodium potassium ATPase pump. However, a growing number of recent efforts were focused on exploring the antitumor and antiviral potential of these compounds. Several reports suggest their antitumor properties and hence, today cardiac glycosides (CG) represent the most diversified naturally derived compounds strongly recommended for the treatment of various cancers. Mutated or dysregulated transcription factors have also gained prominence as potential therapeutic targets that can be selectively targeted. Thus, we have explored the recent advances in CGs mediated cancer scope and have considered various signaling pathways, molecular aberration, transcription factors (TFs), and oncogenic genes to highlight potential therapeutic targets in cancer management.
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Affiliation(s)
- Ranjith Kumavath
- Department of Genomic Science, School of Biological Sciences, Central University of Kerala, Tejaswini Hills, Periya (P.O) Kasaragod, Kerala 671320, India;
| | - Sayan Paul
- Department of Biotechnology, Manonmaniam Sundaranar University, Tirunelveli, Tamilnadu 627012, India;
- Centre for Cardiovascular Biology and Disease, Institute for Stem Cell Science and Regenerative Medicine, Bangalore 560065, India
| | - Honey Pavithran
- Department of Genomic Science, School of Biological Sciences, Central University of Kerala, Tejaswini Hills, Periya (P.O) Kasaragod, Kerala 671320, India;
| | - Manash K. Paul
- Department of Pulmonary and Critical Care Medicine, David Geffen School of Medicine, UCLA, Los Angeles, CA 90095, USA;
| | - Preetam Ghosh
- Department of Computer Science, Virginia Commonwealth University, Richmond, VA 23284, USA;
| | - Debmalya Barh
- Institute of Integrative Omics and Applied Biotechnology (IIOAB), Nonakuri, Purba Medinipur 721172, India;
- Laboratório de Genética Celular e Molecular, Departamento de Genetica, Ecologia e Evolucao, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 31270-001, Brazil;
| | - Vasco Azevedo
- Laboratório de Genética Celular e Molecular, Departamento de Genetica, Ecologia e Evolucao, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 31270-001, Brazil;
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Doan P, Nguyen P, Murugesan A, Candeias NR, Yli-Harja O, Kandhavelu M. Alkylaminophenol and GPR17 Agonist for Glioblastoma Therapy: A Combinational Approach for Enhanced Cell Death Activity. Cells 2021; 10:1975. [PMID: 34440745 PMCID: PMC8393831 DOI: 10.3390/cells10081975] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 07/28/2021] [Accepted: 07/28/2021] [Indexed: 01/26/2023] Open
Abstract
Drug resistance and tumor heterogeneity limits the therapeutic efficacy in treating glioblastoma, an aggressive infiltrative type of brain tumor. GBM cells develops resistance against chemotherapeutic agent, temozolomide (TMZ), which leads to the failure in treatment strategies. This enduring challenge of GBM drug resistance could be rational by combinatorial targeted therapy. Here, we evaluated the combinatorial effect of phenolic compound (2-(3,4-dihydroquinolin-1(2H)-yl)(p-tolyl)methyl)phenol (THTMP), GPR17 agonist 2-({5-[3-(Morpholine-4-sulfonyl)phenyl]-4-[4-(trifluoromethoxy)phenyl]-4H-1,2,4-triazol-3-yl}sulfanyl)-N-[4-(propan-2-yl)phenyl]acetamide (T0510.3657 or T0) with the frontline drug, TMZ, on the inhibition of GBM cells. Mesenchymal cell lines derived from patients' tumors, MMK1 and JK2 were treated with the combination of THTMP + T0, THTMP + TMZ and T0 + TMZ. Cellular migration, invasion and clonogenicity assays were performed to check the migratory behavior and the ability to form colony of GBM cells. Mitochondrial membrane permeability (MMP) assay and intracellular calcium, [Ca2+]i, assay was done to comprehend the mechanism of apoptosis. Role of apoptosis-related signaling molecules was analyzed in the induction of programmed cell death. In vivo validation in the xenograft models further validates the preclinical efficacy of the combinatorial drug. GBM cells exert better synergistic effect when exposed to the cytotoxic concentration of THTMP + T0, than other combinations. It also inhibited tumor cell proliferation, migration, invasion, colony-forming ability and cell cycle progression in S phase, better than the other combinations. Moreover, the combination of THTMP + T0 profoundly increased the [Ca2+]i, reactive oxygen species in a time-dependent manner, thus affecting MMP and leading to apoptosis. The activation of intrinsic apoptotic pathway was regulated by the expression of Bcl-2, cleaved caspases-3, cytochrome c, HSP27, cIAP-1, cIAP-2, p53, and XIAP. The combinatorial drug showed promising anti-tumor efficacy in GBM xenograft model by reducing the tumor volume, suggesting it as an alternative drug to TMZ. Our findings indicate the coordinated administration of THTMP + T0 as an efficient therapy for inhibiting GBM cell proliferation.
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Affiliation(s)
- Phuong Doan
- Molecular Signaling Group, Faculty of Medicine and Health Technology, Tampere University, P.O. Box 553, 33101 Tampere, Finland; (P.D.); (P.N.); (A.M.)
- BioMediTech Institute and Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33520 Tampere, Finland;
- Science Center, Tampere University Hospital, Arvo Ylpön katu 34, 33520 Tampere, Finland
| | - Phung Nguyen
- Molecular Signaling Group, Faculty of Medicine and Health Technology, Tampere University, P.O. Box 553, 33101 Tampere, Finland; (P.D.); (P.N.); (A.M.)
- BioMediTech Institute and Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33520 Tampere, Finland;
- Science Center, Tampere University Hospital, Arvo Ylpön katu 34, 33520 Tampere, Finland
| | - Akshaya Murugesan
- Molecular Signaling Group, Faculty of Medicine and Health Technology, Tampere University, P.O. Box 553, 33101 Tampere, Finland; (P.D.); (P.N.); (A.M.)
- BioMediTech Institute and Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33520 Tampere, Finland;
- Department of Biotechnology, Lady Doak College, Thallakulam, Madurai 625002, India
| | - Nuno R. Candeias
- Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 553, 33101 Tampere, Finland;
| | - Olli Yli-Harja
- BioMediTech Institute and Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33520 Tampere, Finland;
- Science Center, Tampere University Hospital, Arvo Ylpön katu 34, 33520 Tampere, Finland
- Computational Systems Biology Group, Faculty of Medicine and Health Technology, Tampere University, P.O. Box 553, 33101 Tampere, Finland
- Institute for Systems Biology, 1441N 34th Street, Seattle, WA 98103, USA
| | - Meenakshisundaram Kandhavelu
- Molecular Signaling Group, Faculty of Medicine and Health Technology, Tampere University, P.O. Box 553, 33101 Tampere, Finland; (P.D.); (P.N.); (A.M.)
- BioMediTech Institute and Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33520 Tampere, Finland;
- Science Center, Tampere University Hospital, Arvo Ylpön katu 34, 33520 Tampere, Finland
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Zhu X, Li R, Wang C, Zhou S, Fan Y, Ma S, Gao D, Gai N, Yang J. Pinocembrin Inhibits the Proliferation and Metastasis of Breast Cancer via Suppression of the PI3K/AKT Signaling Pathway. Front Oncol 2021; 11:661184. [PMID: 34336656 PMCID: PMC8322951 DOI: 10.3389/fonc.2021.661184] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 06/30/2021] [Indexed: 12/14/2022] Open
Abstract
The survival rate of breast cancer (BC) patients remains poor, thus the identification of safe and effective new drugs is crucial to improve therapeutic outcomes and overall survival. Pinocembrin (PCB), a pharmacologically active ingredient of Pinus heartwood, Eucalyptus, Euphorbia, Populus, and Sparattosperma leucanthum, has been widely applied for the treatment of various diseases and possesses anticancer activities. In vitro assays were performed to investigate the antiproliferation and antimetastasis activities of PCB in BC cells. A tumorigenesis assay with the use of murine BC models was performed to assess the antiproliferation activities of PCB in vivo. Moreover, the molecular mechanisms underlying the anticancer activities of PCB in BC cells were explored. The results showed that the anti-inhibitory and antiproliferation activities of PCB in BC might involve cell cycle (G2/M phase) arrest and apoptosis. PCB downregulated the expression levels of proteins involved in cell cycle progression and apoptosis, including cyclinB1, Cdc2, PARP1, Bcl-2, and survivin, and upregulated protein levels of cleaved PARP1, cleaved caspase3, cleaved caspase9, and BAX. In a murine subcutaneous tumor model, PCB suppressed the growth of MCF-7 cells in vivo. Low concentrations of PCB also significantly inhibited the migration and invasion abilities of BC cells. Mechanistically, PCB administration was correlated to suppression of the PI3K/AKT signaling pathway. Inhibition of the proliferation of BC cells by PCB involved cell cycle (G2/M phase) arrest and apoptosis in vitro and in vivo. Low concentrations of PCB also significantly inhibited the migration and invasion abilities of BC cells. These findings suggest that PCB might be an effective agent for treatment of BC patients.
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Affiliation(s)
- Xinbing Zhu
- Department of Breast Surgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Rongnian Li
- Department of General Surgery, Panjin Liaohe Oilfield Gem Flower Hospital, Panjin, China
| | - Chen Wang
- Department of Breast Surgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Shuo Zhou
- Department of Breast Surgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Yujia Fan
- Department of Breast Surgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Shuang Ma
- Department of Breast Surgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Didi Gao
- Department of Breast Surgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Nian Gai
- Department of Breast Surgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Jing Yang
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang City, China
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72
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Wang J, Chen M, Dang C, Zhang H, Wang X, Yin J, Jia R, Zhang Y. The Early Diagnostic and Prognostic Value of BIRC5 in Clear-Cell Renal Cell Carcinoma Based on the Cancer Genome Atlas Data. Urol Int 2021; 106:344-351. [PMID: 34265766 DOI: 10.1159/000517310] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 05/05/2021] [Indexed: 11/19/2022]
Abstract
PURPOSE The aim of this study was to investigate the role of BIRC5 for early diagnosis and prognosis in clear-cell renal cell carcinoma (ccRCC) by studying the expression of BIRC5 and the correlation between BIRC5 expression and clinicopathological parameters and prognosis in ccRCC. METHODS The BIRC5 expression in ccRCC tissues and normal kidney tissues was measured using the Cancer Genome Atlas database and the Human Protein Atlas database. The correlation between BIRC5 expression and clinicopathological parameters and prognosis in ccRCC was analyzed using UALCAN, the Kaplan-Meier plotter, GEPIA, and SurvExpress. Thirteen-paired ccRCC plasma samples were used to verify the BIRC5 early diagnosis value of ccRCC. RESULTS The BIRC5 expression is significantly higher in ccRCC than in normal kidney tissues, and is correlated with the clinical stage and pathological grade of ccRCC (p < 0.05). The result of analyzing the relationship between BIRC5 expression and outcomes in ccRCC indicates that a high BIRC5 expression is an independent prognostic factor affecting the overall survival and disease-free survival of ccRCC (p < 0.05). Compared with normal kidney tissues, the immunohistochemical test shows that BIRC5 is significantly upregulated in ccRCC tissues. mRNA expression levels of BIRC5 were significantly higher in the ccRCC plasma than normal (p < 0.05). CONCLUSIONS The high expression of BIRC5 is an important indicator for the prognosis of ccRCC, which makes BIRC5 an effective biomarker for predicting the prognosis of patients in ccRCC. BIRC5 may be a great potential biomarker for early diagnosis of ccRCC.
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Affiliation(s)
- Jingyuan Wang
- Department of Clinical Lab Diagnosis, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Min Chen
- Department of Surgical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Chengxue Dang
- Department of Surgical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Hao Zhang
- Department of Surgical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xin Wang
- Department of Surgical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jianhao Yin
- Department of Surgical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Rui Jia
- Department of Surgical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yong Zhang
- Department of Surgical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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73
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Abstract
Survivin is one of the rare proteins that is differentially expressed in normal and cancer cells and is directly or indirectly involved in numerous pathways required for tumor maintenance. It is expressed in almost all cancers and its expression has been detected at early stages of cancer. These traits make survivin an exceptionally attractive target for cancer therapeutics. Even with these promising features to be an oncotherapeutic target, there has been limited success in the clinical trials targeting survivin. Only recently it has emerged that survivin was not being specifically targeted which could have resulted in the negative clinical outcome. Also, focus of research has now shifted from survivin expression in the overall heterogeneous tumor cell populations to survivin expression in cancer stem cells as these cells have proved to be the major drivers of tumors. Therefore, in this review we have analyzed the expression of survivin in normal and cancer cells with a particular focus on its expression in cancer stem cell compartment. We have discussed the major signaling pathways involved in regulation of survivin. We have explored the current development status of various types of interventions for inhibition of survivin. Furthermore, we have discussed the challenges involving the development of potent and specific survivin inhibitors for cancer therapeutics. Finally we have given insights for some of the promising future anticancer treatments.
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74
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Silver nanocluster-lightened catalytic hairpin assembly for enzyme-free and label-free mRNA detection. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106184] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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75
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Dehydroabietic Acid Is a Novel Survivin Inhibitor for Gastric Cancer. PLANTS 2021; 10:plants10061047. [PMID: 34067279 PMCID: PMC8224772 DOI: 10.3390/plants10061047] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/19/2021] [Accepted: 05/21/2021] [Indexed: 11/30/2022]
Abstract
Gastric cancer is a malignant tumor with a high incidence and mortality rate worldwide. Nevertheless, anticancer drugs that can be used for gastric cancer treatment are limited. Therefore, it is important to develop targeted anticancer drugs for the treatment of gastric cancer. Dehydroabietic acid (DAA) is a diterpene found in tree pine. Previous studies have demonstrated that DAA inhibits gastric cancer cell proliferation by inducing apoptosis. However, we did not know how DAA inhibits the proliferation of gastric cancer cells through apoptosis. In this study, we attempted to identify the genes that induce cell cycle arrest and cell death, as well as those which are altered by DAA treatment. DAA-regulated genes were screened using RNA-Seq and differentially expressed genes (DEGs) analysis in AGS cells. RNA-Seq analysis revealed that the expression of survivin, an apoptosis inhibitor, was significantly reduced by DAA treatment. We also confirmed that DAA decreased survivin expression by RT-PCR and Western blotting analysis. In addition, the ability of DAA to inhibit survivin was compared to that of YM-155, a known survivin inhibitor. DAA was found to have a stronger inhibitory effect in comparison with YM-155. DAA also caused an increase in cleaved caspase-3, an apoptosis-activating protein. In conclusion, DAA is a potential anticancer agent for gastric cancer that inhibits survivin expression.
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76
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Kanno Y, Chen CY, Lee HL, Chiou JF, Chen YJ. Molecular Mechanisms of Chemotherapy Resistance in Head and Neck Cancers. Front Oncol 2021; 11:640392. [PMID: 34026617 PMCID: PMC8138159 DOI: 10.3389/fonc.2021.640392] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 04/06/2021] [Indexed: 12/24/2022] Open
Abstract
Chemotherapy resistance is a huge barrier for head and neck cancer (HNC) patients and therefore requires close attention to understand its underlay mechanisms for effective strategies. In this review, we first summarize the molecular mechanisms of chemotherapy resistance that occur during the treatment with cisplatin, 5-fluorouracil, and docetaxel/paclitaxel, including DNA/RNA damage repair, drug efflux, apoptosis inhibition, and epidermal growth factor receptor/focal adhesion kinase/nuclear factor-κB activation. Next, we describe the potential approaches to combining conventional therapies with previous cancer treatments such as immunotherapy, which may improve the treatment outcomes and prolong the survival of HNC patients. Overall, by parsing the reported molecular mechanisms of chemotherapy resistance within HNC patient’s tumors, we can improve the prediction of chemotherapeutic responsiveness, and reveal new therapeutic targets for the future.
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Affiliation(s)
- Yuzuka Kanno
- Division of Molecular Regulation of Inflammatory and Immune Disease, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan.,Department of Medicinal and Life Sciences, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba, Japan
| | - Chang-Yu Chen
- Division of Molecular Regulation of Inflammatory and Immune Disease, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan.,Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hsin-Lun Lee
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei, Taiwan.,Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Taipei Cancer Center, Taipei Medical University, Taipei, Taiwan
| | - Jeng-Fong Chiou
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei, Taiwan.,Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Taipei Cancer Center, Taipei Medical University, Taipei, Taiwan.,TMU Research Center of Cancer Translational Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yin-Ju Chen
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei, Taiwan.,TMU Research Center of Cancer Translational Medicine, Taipei Medical University, Taipei, Taiwan.,Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan.,International PhD Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan.,Translational Laboratory, Research Department, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan
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77
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Puskas R, Bikov A, Horvath P, Lazar Z, Kunos L, Nagy R, Pinter G, Galffy G. Circulating Survivin Protein Levels in Lung Cancer Patients Treated With Platinum-Based Chemotherapy. Pathol Oncol Res 2021; 27:631969. [PMID: 34257598 PMCID: PMC8262151 DOI: 10.3389/pore.2021.631969] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 04/01/2021] [Indexed: 12/27/2022]
Abstract
The survivin protein contributes to the development and progression of tumors. Protein expression and mRNA levels correlate with clinicopathological parameters and survival of cancer patients. Our purpose was to evaluate whether circulating survivin levels have any diagnostic or predictive value in lung cancer. 118 patients with advanced stage lung cancer participated in our study. 53 suffered from adenocarcinoma (ADC), 33 from squamous cell carcinoma (SqCC), and 32 from small cell lung cancer (SCLC). We also enrolled 21 control subjects. Blood samples were collected before and after two cycles of chemotherapy. We measured survivin concentrations with ELISA. Non-parametric tests were used for analysis. We did not find significant difference in survivin levels between patients and control subjects (17.19/0–829.74/vs. 49.13/0–165.92/pg/ml; p = 0.07). We found lower survivin concentrations in patients with SqCC (0/0–171.24/pg/ml) than in those with ADC (24.94/0–626.46 pg/ml) and SCLC (45.51/0–829.74/pg/ml) (ADC vs. SqCC p < 0.0001, ADC vs. SCLC p = 0.0405, SqCC vs. SCLC p < 0.0001). Survivin levels were higher in stage IV patients than in patients without distant metastases (p = 0.0061), and concentrations were progressively higher with increasing number of metastatic organ sites (p = 0.04). We observed a decrease in survivin levels in ADC patients after platinum plus pemetrexed chemotherapy (26.22/0–626.46/pg/ml before vs. 0/0–114.36/pg/ml after; p = 0.01). Neither progression-free nor overall survival correlated with survivin levels at baseline. Our data imply that survivin may be involved in the development of metastases and it might be used as a biomarker of disease progression. However, circulating survivin concentrations do not predict survival of patients with lung cancer.
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Affiliation(s)
- Rita Puskas
- Department of Pulmonology, Faculty of Medicine, Semmelweis University, Budapest, Hungary.,Törökbálint Pulmonology Hospital, Törökbálint, Hungary
| | - Andras Bikov
- Department of Pulmonology, Faculty of Medicine, Semmelweis University, Budapest, Hungary.,Manchester University NHS Foundation Trust (MFT), Manchester, United Kingdom
| | - Peter Horvath
- Department of Pulmonology, Faculty of Medicine, Semmelweis University, Budapest, Hungary
| | - Zsofia Lazar
- Department of Pulmonology, Faculty of Medicine, Semmelweis University, Budapest, Hungary
| | - Laszlo Kunos
- Department of Pulmonology, Faculty of Medicine, Semmelweis University, Budapest, Hungary.,Törökbálint Pulmonology Hospital, Törökbálint, Hungary
| | - Reka Nagy
- Semmelweis University, Budapest, Hungary
| | | | - Gabriella Galffy
- Department of Pulmonology, Faculty of Medicine, Semmelweis University, Budapest, Hungary.,Törökbálint Pulmonology Hospital, Törökbálint, Hungary.,Department of Thoracic Surgery, Faculty of Medicine, Semmelweis University, Budapest, Hungary
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78
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Abu Halim NH, Zakaria N, Theva Das K, Lin J, Lim MN, Fakiruddin KS, Yahaya BH. The Effects of Lentivirus-Mediated Gene Silencing of RARβ on the Stemness Capability of Non-Small Cell Lung Cancer. J Cancer 2021; 12:3468-3485. [PMID: 33995625 PMCID: PMC8120186 DOI: 10.7150/jca.50793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 12/01/2020] [Indexed: 11/05/2022] Open
Abstract
Retinoic acid receptor beta is a nuclear receptor protein that binds to retinoic acid (RA) to mediate cellular signalling in embryogenic morphogenesis, cell growth, and differentiation. However, the function of RARβ in cancer stem cells (CSCs) has yet to be determined. This study aimed to understand the role of RARβ in regulating cell growth and differentiation of lung cancer stem cells. Based on the clonogenic assay, spheroid assay, mRNA levels of stem cell transcription factors, and cell cycle being arrested at the G0/G1 phase, the suppression of RARβ resulted in significant inhibition of A549 parental cell growth. This finding was contradictory to the results seen in CSCs, where RARβ inhibition enhanced the cell growth of putative and non-putative CSCs. These results suggest that RARβ suppression may act as an essential regulator in A549 parental cells, but not in the CSCs population. The findings in this study demonstrated that the loss of RARβ promotes tumorigenicity in CSCs. Microarray analysis revealed that various cancer pathways were significantly activated following the suppression of RARβ. The changes seen might compensate for the loss of RARβ function, CSCs population's aggressiveness, which led to the CSCs population's aggressiveness. Thus, understanding the role of RARβ in regulating the stemness of CSCs may lead to targeted therapy for lung CSCs.
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Affiliation(s)
- Noor Hanis Abu Halim
- Lung Stem Cell and Gene Therapy Group, Regenerative Medicine Cluster, Advanced Medical and Dental Institute (IPPT), Sains@Bertam, Universiti Sains Malaysia, Kepala Batas Penang, 13200, Malaysia
| | - Norashikin Zakaria
- Lung Stem Cell and Gene Therapy Group, Regenerative Medicine Cluster, Advanced Medical and Dental Institute (IPPT), Sains@Bertam, Universiti Sains Malaysia, Kepala Batas Penang, 13200, Malaysia
| | - Kumitaa Theva Das
- Infectomics Cluster, Advanced Medical and Dental Institute (IPPT), Sains@Bertam, Universiti Sains Malaysia, Kepala Batas Penang, 13200, Malaysia
| | - Juntang Lin
- Henan Joint International Research Laboratory of Stem Cell Medicine, Xinxiang Medical University (XXMU), Henan Province 453000, China.,Stem Cell and Biotherapy Technology Research Centre of Henan Province, Xinxiang Medical University (XXMU), Henan Province 453000, China
| | - Moon Nian Lim
- Stem Cell Laboratory, Haematology Unit, Cancer Research Centre (CaRC), Institute for Medical Research (IMR), National Institute of Health, Setia Alam, 40170 Shah Alam, Selangor
| | - Kamal Shaik Fakiruddin
- Stem Cell Laboratory, Haematology Unit, Cancer Research Centre (CaRC), Institute for Medical Research (IMR), National Institute of Health, Setia Alam, 40170 Shah Alam, Selangor
| | - Badrul Hisham Yahaya
- Lung Stem Cell and Gene Therapy Group, Regenerative Medicine Cluster, Advanced Medical and Dental Institute (IPPT), Sains@Bertam, Universiti Sains Malaysia, Kepala Batas Penang, 13200, Malaysia
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79
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Rawat L, Nayak V. Ursolic acid disturbs ROS homeostasis and regulates survival-associated gene expression to induce apoptosis in intestinal cancer cells. Toxicol Res (Camb) 2021; 10:369-375. [PMID: 34141150 DOI: 10.1093/toxres/tfab025] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 02/11/2021] [Accepted: 02/22/2021] [Indexed: 01/11/2023] Open
Abstract
Ursolic acid is a natural compound possessing several therapeutic properties including anticancer potential. In present study, cytotoxic and antimetastatic properties of ursolic acid were investigated in intestinal cancer cell lines INT-407 and HCT-116. The cells growth and number were decreased in a dose- and time-dependent manner in both the cell lines. It also increases reactive oxygen species levels in the cells in order to induce apoptosis. Ursolic acid was found to be a significant inhibitor of cancer cells migration and gene expression of migration markers FN1, CDH2, CTNNB1 and TWIST was also downregulated. Ursolic acid treatment downregulated the gene expression of survival factors BCL-2, SURVIVIN, NFKB and SP1, while upregulated the growth-restricting genes BAX, P21 and P53. These results indicate that ursolic acid has anticancer and antimetastatic properties against intestinal cancer. These properties could be beneficial in cancer treatment and could be used as complementary medicine.
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Affiliation(s)
- Laxminarayan Rawat
- Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, K.K. Birla Goa Campus, NH-17B, Zuarinagar, Goa, 403726, India
| | - Vijayashree Nayak
- Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, K.K. Birla Goa Campus, NH-17B, Zuarinagar, Goa, 403726, India
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80
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Tang Q, Efe G, Chiarella AM, Leung J, Chen M, Yamazoe T, Su Z, Pitarresi JR, Li J, Islam M, Karakasheva T, Klein-Szanto AJ, Pan S, Hu J, Natsugoe S, Gu W, Stanger BZ, Wong KK, Diehl JA, Bass AJ, Nakagawa H, Murphy ME, Rustgi AK. Mutant p53 regulates Survivin to foster lung metastasis. Genes Dev 2021; 35:528-541. [PMID: 33737385 PMCID: PMC8015716 DOI: 10.1101/gad.340505.120] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 02/15/2021] [Indexed: 01/01/2023]
Abstract
Esophageal squamous cell carcinoma (ESCC) is one of the most lethal cancers worldwide and evolves often to lung metastasis. P53R175H (homologous to Trp53R172H in mice) is a common hot spot mutation. How metastasis is regulated by p53R175H in ESCC remains to be investigated. To investigate p53R175H-mediated molecular mechanisms, we used a carcinogen-induced approach in Trp53R172H/- mice to model ESCC. In the primary Trp53R172H/- tumor cell lines, we depleted Trp53R172H (shTrp53) and observed a marked reduction in cell invasion in vitro and lung metastasis burden in a tail-vein injection model in comparing isogenic cells (shCtrl). Furthermore, we performed bulk RNA-seq to compare gene expression profiles of metastatic and primary shCtrl and shTrp53 cells. We identified the YAP-BIRC5 axis as a potential mediator of Trp53R172H -mediated metastasis. We demonstrate that expression of Survivin, an antiapoptotic protein encoded by BIRC5, increases in the presence of Trp53R172H Furthermore, depletion of Survivin specifically decreases Trp53R172H-driven lung metastasis. Mechanistically, Trp53R172H but not wild-type Trp53, binds with YAP in ESCC cells, suggesting their cooperation to induce Survivin expression. Furthermore, Survivin high expression level is associated with increased metastasis in several GI cancers. Taken together, this study unravels new insights into how mutant p53 mediates metastasis.
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Affiliation(s)
- Qiaosi Tang
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
- Herbert Irving Comprehensive Cancer Center, Columbia University, New York, New York 10032, USA
| | - Gizem Efe
- Herbert Irving Comprehensive Cancer Center, Columbia University, New York, New York 10032, USA
| | - Anna M Chiarella
- Herbert Irving Comprehensive Cancer Center, Columbia University, New York, New York 10032, USA
| | - Jessica Leung
- Program in Molecular and Cellular Oncogenesis, The Wistar Institute, Philadelphia, Pennsylvania 19104, USA
| | - Maoting Chen
- Herbert Irving Comprehensive Cancer Center, Columbia University, New York, New York 10032, USA
| | - Taiji Yamazoe
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Zhenyi Su
- Herbert Irving Comprehensive Cancer Center, Columbia University, New York, New York 10032, USA
| | - Jason R Pitarresi
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Jinyang Li
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Mirazul Islam
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, Tennessee 37235, USA
| | - Tatiana Karakasheva
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Andres J Klein-Szanto
- Department of Pathology, Cancer Biology Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19104, USA
| | - Samuel Pan
- Herbert Irving Comprehensive Cancer Center, Columbia University, New York, New York 10032, USA
| | - Jianhua Hu
- Herbert Irving Comprehensive Cancer Center, Columbia University, New York, New York 10032, USA
| | - Shoji Natsugoe
- Department of Digestive Surgery, Kagoshima University, Sakuragaoka, Kagoshima 890-0065, Japan
| | - Wei Gu
- Herbert Irving Comprehensive Cancer Center, Columbia University, New York, New York 10032, USA
| | - Ben Z Stanger
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Kwok-K Wong
- New York University Langone Center, New York, New York 10016, USA
| | - J Alan Diehl
- Case Western University, Cleveland, Ohio 44106, USA
| | - Adam J Bass
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
| | - Hiroshi Nakagawa
- Herbert Irving Comprehensive Cancer Center, Columbia University, New York, New York 10032, USA
| | - Maureen E Murphy
- Program in Molecular and Cellular Oncogenesis, The Wistar Institute, Philadelphia, Pennsylvania 19104, USA
| | - Anil K Rustgi
- Herbert Irving Comprehensive Cancer Center, Columbia University, New York, New York 10032, USA
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81
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Mashima H, Zhang R, Kobayashi T, Tsukamoto H, Liu T, Iwama T, Hagiya Y, Yamamoto M, Fukushima S, Okada S, Idiris A, Kaneko S, Nakatsura T, Ohdan H, Uemura Y. Improved safety of induced pluripotent stem cell-derived antigen-presenting cell-based cancer immunotherapy. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2021; 21:171-179. [PMID: 33816647 PMCID: PMC7994724 DOI: 10.1016/j.omtm.2021.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 03/02/2021] [Indexed: 11/02/2022]
Abstract
The tumorigenicity and toxicity of induced pluripotent stem cells (iPSCs) and their derivatives are major safety concerns in their clinical application. Recently, we developed granulocyte-macrophage colony-stimulating factor (GM-CSF)-producing proliferating myeloid cells (GM-pMCs) from mouse iPSCs as a source of unlimited antigen-presenting cells for use in cancer immunotherapy. As GM-pMCs are generated by introducing c-Myc and Csf2 into iPSC-derived MCs and are dependent on self-produced GM-CSF for proliferation, methods to control their proliferation after administration should be introduced to improve safety. In this study, we compared the efficacy of two promising suicide gene systems, herpes simplex virus-thymidine kinase (HSV-TK)/ganciclovir (GCV) and inducible caspase-9 (iCasp9)/AP1903, for safeguarding GM-pMCs in cancer immunotherapy. The expression of HSV-TK or iCasp9 did not impair the fundamental properties of GM-pMCs. Both of these suicide gene-expressing cells selectively underwent apoptosis after treatment with the corresponding apoptosis-inducing drug, and they were promptly eliminated in vivo. iCasp9/AP1903 induced apoptosis more efficiently than HSV-TK/GCV. Furthermore, high concentrations of GCV were toxic to cells not expressing HSV-TK, whereas AP1903 was bioinert. These results suggest that iCasp9/AP1903 is superior to HSV-TK/GCV in terms of both safety and efficacy when controlling the fate of GM-pMCs after priming antitumor immunity.
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Affiliation(s)
- Hiroaki Mashima
- Division of Cancer Immunotherapy, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa 277-8577, Japan.,Department of Gastroenterological and Transplant Surgery, Graduate School of Biomedical & Health Science, Hiroshima University, Hiroshima 734-8551, Japan
| | - Rong Zhang
- Division of Cancer Immunotherapy, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa 277-8577, Japan
| | - Tsuyoshi Kobayashi
- Department of Gastroenterological and Transplant Surgery, Graduate School of Biomedical & Health Science, Hiroshima University, Hiroshima 734-8551, Japan
| | - Hirotake Tsukamoto
- Department of Immunology, Faculty of Life Sciences, Kumamoto University, Kumamoto 860-8556, Japan
| | - Tianyi Liu
- Key Laboratory of Cancer Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Tatsuaki Iwama
- Division of Cancer Immunotherapy, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa 277-8577, Japan
| | - Yuichiro Hagiya
- Biochemistry Team, Bio Science Division, Technology General Division, Materials Integration Laboratories, AGC, Inc., Yokohama 221-8755, Japan
| | - Masateru Yamamoto
- Division of Cancer Immunotherapy, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa 277-8577, Japan.,Department of Gastroenterological and Transplant Surgery, Graduate School of Biomedical & Health Science, Hiroshima University, Hiroshima 734-8551, Japan
| | - Satoshi Fukushima
- Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto 860-8556, Japan
| | - Seiji Okada
- Division of Hematopoiesis, Center for AIDS Research, Kumamoto University, Kumamoto 860-8556, Japan
| | - Alimjan Idiris
- Biochemistry Team, Bio Science Division, Technology General Division, Materials Integration Laboratories, AGC, Inc., Yokohama 221-8755, Japan
| | - Shin Kaneko
- Shin Kaneko Laboratory, Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, 606-8507, Japan
| | - Tetsuya Nakatsura
- Division of Cancer Immunotherapy, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa 277-8577, Japan
| | - Hideki Ohdan
- Department of Gastroenterological and Transplant Surgery, Graduate School of Biomedical & Health Science, Hiroshima University, Hiroshima 734-8551, Japan
| | - Yasushi Uemura
- Division of Cancer Immunotherapy, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa 277-8577, Japan
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82
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Lin P, Zhang L, Chen D, Xu J, Bai Y, Zhao S. A DNA-functionalized biomass nanoprobe for the targeted photodynamic therapy of tumor and ratiometric fluorescence imaging-based visual cancer cell identification/antitumor drug screening. Analyst 2021; 146:835-841. [PMID: 33325918 DOI: 10.1039/d0an02006k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Survivin is widely expressed in tumor tissue, in which the in situ ratiometric fluorescence imaging of intracellular survivin mRNA can provide accurate information for the diagnosis and treatment of cancers, as well as the screening of antitumor drugs. However, the development of a nanoprobe that can be used simultaneously in the diagnosis and treatment of tumors and the screening of antitumor drugs remains a challenge. In an effort to address these requirements, a multifunctional biomass nanoprobe was developed for the photodynamic therapy (PDT) of tumors as well as cancer cell identification and antitumor drug screening based on the ratiometric fluorescence imaging of intracellular survivin mRNA. This nanoprobe was assembled from near-infrared (NIR) biomass quantum dots (BQDs), single-stranded DNA and NIR dye (dylight680) labeled single-stranded DNA. The BQDs contain a large number of chlorophyll molecules, meaning that they can produce a large amount of singlet oxygen under NIR light irradiation, thus realizing the PDT of a tumor. However, the specific binding of the nanoprobe to intracellular survivin mRNA causes the release of dylight680 and reduces the fluorescence resonance energy transfer (FRET) efficiency between the BQDs and dylight680 in the probe, thereby achieving the ratiometric fluorescence imaging of survivin mRNA. Therefore, the prepared nanoprobe can not only be used in the diagnosis of cancers, but also in the targeted PDT of tumors.
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Affiliation(s)
- Pengxiang Lin
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, China.
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83
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Plaza-Díaz J, Álvarez-Mercado AI, Robles-Sánchez C, Navarro-Oliveros M, Morón-Calvente V, Toribio-Castelló S, Sáez-Lara MJ, MacKenzie A, Fontana L, Abadía-Molina F. NAIP expression increases in a rat model of liver mass restoration. J Mol Histol 2021; 52:113-123. [PMID: 33237375 DOI: 10.1007/s10735-020-09928-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 11/13/2020] [Indexed: 11/26/2022]
Abstract
The neuronal apoptosis inhibitory protein (NAIP) is a constituent of the NLRC4 inflammasome, which plays a key role in innate immunity, and an antiapoptotic protein. Recently, we reported the previously undescribed role of NAIP in cell division. The liver is one of the body's most actively regenerative organs. Given the novel mitotic role of NAIP, we examined its expression in hepatic mass restoration. The major liver lobe of Wistar rats was removed, and samples from both newly formed liver tissue, assessed by positive Ki67 immunostaining, and the remnant, intact liver lobes from hepatectomized rats were taken 3 and 7 days after surgery. Naip5 and Naip6 mRNA levels were significantly higher in regenerating hepatic tissue than in intact liver lobe tissue, and this increase was also observed at the protein level. Naip5 and Naip6 mRNA in situ hybridization showed that this increase occurred in the hepatic parenchyma. The histology of the regenerated liver tissue was normal, with the exception of a noticeable deficiency of hepatic lobule central veins. The results of this study suggest the involvement of NAIP in liver mass restoration following partial hepatectomy.
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Affiliation(s)
- Julio Plaza-Díaz
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, 18071, Granada, Spain
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, Avda. del Conocimiento S/N, Armilla, 18016, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Avda. de Madrid 15, 18012, Granada, Spain
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, K1H 8L1, Canada
| | - Ana I Álvarez-Mercado
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, 18071, Granada, Spain
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, Avda. del Conocimiento S/N, Armilla, 18016, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Avda. de Madrid 15, 18012, Granada, Spain
| | - Cándido Robles-Sánchez
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, 18071, Granada, Spain
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, Avda. del Conocimiento S/N, Armilla, 18016, Granada, Spain
| | - Miguel Navarro-Oliveros
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Avda. de Madrid 15, 18012, Granada, Spain
| | - Virginia Morón-Calvente
- Department of Diabetes. Immunology, Diabetes & Metabolism Research Institute, Beckman Research Institute, City of Hope, Duarte, CA, 91010, USA
| | - Sofía Toribio-Castelló
- IBSAL, IBMCC, University of Salamanca-CSIC, Cancer Research Center, 37007, Salamanca, Spain
| | - María José Sáez-Lara
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, Avda. del Conocimiento S/N, Armilla, 18016, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Avda. de Madrid 15, 18012, Granada, Spain
- Department of Biochemistry and Molecular Biology I, School of Sciences, University of Granada, 18071, Granada, Spain
| | - Alex MacKenzie
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, K1H 8L1, Canada
- Department of Pediatrics, University of Ottawa, Ottawa, ON, K1H 8L1, Canada
| | - Luis Fontana
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, 18071, Granada, Spain
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, Avda. del Conocimiento S/N, Armilla, 18016, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Avda. de Madrid 15, 18012, Granada, Spain
| | - Francisco Abadía-Molina
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, Avda. del Conocimiento S/N, Armilla, 18016, Granada, Spain.
- Department of Cell Biology, School of Sciences, University of Granada, 18071, Granada, Spain.
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84
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Han TL, Sha H, Ji J, Li YT, Wu DS, Lin H, Hu B, Jiang ZX. Depletion of Survivin suppresses docetaxel-induced apoptosis in HeLa cells by facilitating mitotic slippage. Sci Rep 2021; 11:2283. [PMID: 33504817 PMCID: PMC7840972 DOI: 10.1038/s41598-021-81563-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Accepted: 01/03/2021] [Indexed: 12/11/2022] Open
Abstract
The anticancer effects of taxanes are attributed to the induction of mitotic arrest through activation of the spindle assembly checkpoint. Cell death following extended mitotic arrest is mediated by the intrinsic apoptosis pathway. Accordingly, factors that influence the robustness of mitotic arrest or disrupt the apoptotic machinery confer drug resistance. Survivin is an inhibitor of apoptosis protein. Its overexpression is associated with chemoresistance, and its targeting leads to drug sensitization. However, Survivin also acts specifically in the spindle assembly checkpoint response to taxanes. Hence, the failure of Survivin-depleted cells to arrest in mitosis may lead to taxane resistance. Here we show that Survivin depletion protects HeLa cells against docetaxel-induced apoptosis by facilitating mitotic slippage. However, Survivin depletion does not promote clonogenic survival of tumor cells but increases the level of cellular senescence induced by docetaxel. Moreover, lentiviral overexpression of Survivin does not provide protection against docetaxel or cisplatin treatment, in contrast to the anti-apoptotic Bcl-xL or Bcl-2. Our findings suggest that targeting Survivin may influence the cell response to docetaxel by driving the cells through aberrant mitotic progression, rather than directly sensitizing cells to apoptosis.
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Affiliation(s)
- Teng-Long Han
- The 305 Hospital of the People's Liberation Army, Beijing, 100017, China.
| | - Hang Sha
- The 305 Hospital of the People's Liberation Army, Beijing, 100017, China
| | - Jun Ji
- The 305 Hospital of the People's Liberation Army, Beijing, 100017, China
| | - Yun-Tian Li
- The 305 Hospital of the People's Liberation Army, Beijing, 100017, China
| | - Deng-Shan Wu
- The 305 Hospital of the People's Liberation Army, Beijing, 100017, China
| | - Hu Lin
- The 305 Hospital of the People's Liberation Army, Beijing, 100017, China
| | - Bin Hu
- The 305 Hospital of the People's Liberation Army, Beijing, 100017, China
| | - Zhi-Xin Jiang
- The 305 Hospital of the People's Liberation Army, Beijing, 100017, China.
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85
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BIRC5 is a prognostic biomarker associated with tumor immune cell infiltration. Sci Rep 2021; 11:390. [PMID: 33431968 PMCID: PMC7801710 DOI: 10.1038/s41598-020-79736-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Accepted: 12/11/2020] [Indexed: 12/19/2022] Open
Abstract
BIRC5 is an immune-related gene that inhibits apoptosis and promotes cell proliferation. It is highly expressed in most tumors and leads to poor prognosis in cancer patients. This study aimed to analyze the relationship between the expression level of BIRC5 in different tumors and patient prognosis, clinical parameters, and its role in tumor immunity. Genes co-expressed with BIRC5 were analyzed, and functional enrichment analysis was performed. The relationship between BIRC5 expression and the immune and stromal scores of tumors in pan-cancer patients and the infiltration level of 22 tumor-infiltrating lymphocytes (TILs) was analyzed. The correlation of BIRC5 with immune checkpoints was conducted. Functional enrichment analysis showed that genes co-expressed with BIRC5 were significantly associated with the mitotic cell cycle, APC/C-mediated degradation of cell cycle proteins, mitotic metaphase, and anaphase pathways. Besides, the high expression of BIRC5 was significantly correlated with the expression levels of various DNA methyltransferases, indicating that BIRC5 regulates DNA methylation. We also found that BIRC5 was significantly correlated with multiple immune cells infiltrates in a variety of tumors. This study lays the foundation for future research on how BIRC5 modulates tumor immune cells, which may lead to the development of more effective targeted tumor immunotherapies.
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86
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Kim ET, Park DG. YM155, specific survivin inhibitor, can enhance artesunate-induced cytotoxicity in HCT116 colon cancer cells. KOREAN JOURNAL OF CLINICAL ONCOLOGY 2020; 16:131-137. [PMID: 36945719 PMCID: PMC9942729 DOI: 10.14216/kjco.20020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 09/26/2020] [Accepted: 11/18/2020] [Indexed: 11/07/2022]
Abstract
Purpose A water-soluble variant of the artemisinin called artesunate, approved as an antimalarial agent, can induce cell death on various cancer cell types. We studied the mechanism of cell death of artesunate on HCT116 colorectal cancer cells. Methods We treated HCT116 colon cancer cells with artesunate, holo-transferrin, deferoxamine mesylate, ferrostatin, necrostatin-1, and YM155. We observed the growth inhibition of artesunate on HCT116 colon cancer cells by morphologic findings. Inhibition of cell growth was assessed by MTT (3-(4,5-dimethylthiazol-2yl)-2,5-diphenyltetrazolium bromide) assay and long-term growth inhibition by colony-forming assay. Apoptosis was investigated by flow cytometry and Western blot analysis. Results Artesunate inhibited the proliferation of HCT116 colon cancer cells effectively. Co-treatment with YM155, a specific survivin inhibitor, enhanced the artesunate-induced cell death. Co-treatment with the iron-chelating agent deferoxamine rescued artesunate induced cell death and increased long-term cell survival and proliferation. Conclusion In this study, we demonstrated that artesunate-induced cytotoxicity in HCT116 colon cancer cells by suppressing the expression of survivin and partially by ferroptosis. Our findings suggest that the co-treatment artesunate with YM155 can induce more potent cell death on HCT116 colon cancer cells and shows new insight for the treatment of colorectal cancer patients.
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Affiliation(s)
- Eui Tae Kim
- Department of Surgery, Dankook University College of Medicine, Cheonan, Korea
| | - Dong-Guk Park
- Department of Surgery, Dankook University College of Medicine, Cheonan, Korea
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87
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Agapito G, Cannataro M. cPEA: a parallel method to perform pathway enrichment analysis using multiple pathways databases. Soft comput 2020. [DOI: 10.1007/s00500-020-05243-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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88
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Maleki P, Gourabi H, Tahmaseb M, Golkar-Narenji A, Bazrgar M. Lapatinib Decreases the Preimplantation Aneuploidy Rate of in vitro Fertilized Mouse Embryos without Affecting Completion of Preimplantation Development. Cytogenet Genome Res 2020; 160:680-687. [PMID: 33176309 DOI: 10.1159/000511371] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Accepted: 09/06/2020] [Indexed: 11/19/2022] Open
Abstract
One of the major reasons for implantation failure and spontaneous abortion is a high incidence of preimplantation chromosomal aneuploidy. Lapatinib simultaneously inhibits EGFR and HER2, leading to apoptosis. We hypothesized a higher sensitivity for aneuploid cells in preimplantation embryos to lapatinib based on reports of aneuploid cell lines being sensitive to some anticancer drugs. Late 2-cell mouse embryos were treated with lapatinib after determining a nontoxic dose. Morphologies were recorded 24, 48, and 60 hours later. The effect of lapatinib on the aneuploidy rate was evaluated by studying blastocyst cells using FISH. Although the rate of development to 8-cell and morula stage was higher in the control group (p < 0.05), there was no difference in development to the blastocyst stage at the same studied intervals between lapatinib-treated and control groups (p = 0.924). The mean number of cells in morula and blastocyst stages were not different between the groups (p = 0.331 and p = 0.175, respectively). The frequency of aneuploid cells and diploid embryos was, respectively, significantly lower and higher in lapatinib-treated embryos, (p < 0.001). Since lapatinib treatment reduced the aneuploidy rate without impact on the development of mouse preimplantation embryos to the blastocyst stage and number of total cells, lapatinib seems useful for prevention of preimplantation aneuploidy in in vitro fertilization.
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Affiliation(s)
- Parvaneh Maleki
- Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran.,Department of Cell and Molecular Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Hamid Gourabi
- Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Mohammad Tahmaseb
- Department of Cell and Molecular Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Afsaneh Golkar-Narenji
- Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Masood Bazrgar
- Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran,
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89
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Stavropoulos A, Varras M, Philippou A, Vasilakaki T, Varra VK, Varra FN, Tsavari A, Lazaris AC, Koutsilieris M. Immunohistochemical expression of insulin-like growth factor-1Ec in primary endometrial carcinoma: Association with PTEN, p53 and survivin expression. Oncol Lett 2020; 20:395. [PMID: 33193855 PMCID: PMC7656117 DOI: 10.3892/ol.2020.12258] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 09/16/2020] [Indexed: 12/21/2022] Open
Abstract
Chronic hyperinsulinemia due to insulin resistance and elevated levels of insulin-like growth factor (IGF)-1 and IGF-2 are suggestive of a significantly higher risk of endometrial carcinoma. There is a wealth of evidence showing differential expression of IGF-1 isoforms in various types of cancer. In the present study, 99 archived endometrial carcinoma tissue sections were retrospectively assessed by immunohistochemistry for IGF-1Ec isoform expression. Expression of IGF-1Ec was also assessed in nine cases of non-neoplastic endometrial tissue adjacent to the tumor, in 30 cases with normal endometrium and in 30 cases with endometrial hyperplasia. Furthermore, the association between IGF-1Ec and the concurrent expression of phosphatase and tensin homologue deleted on chromosome 10 (PTEN), p53 or survivin was assessed, as well as their combined expression in association with clinicopathological variables. In endometrial carcinoma, IGF-1Ec expression was high in non-endometrioid carcinoma (serous papillary or clear cell carcinoma) compared with that in endometrioid adenocarcinoma. IGF-1Ec expression was also high in the presence of tumoral necrosis. Furthermore, there was a significant correlation between the histological differentiation and the sum of staining intensity and the number of IGF-1Ec immunopositive cells in endometrial carcinoma. There was a moderate negative correlation between co-expression of IGF-1Ec and PTEN, for both the number of immunopositive cells (P=0.006, ρ=−0.343) and the sum of staining (scores and intensity; P=0.006, ρ=−0.343). Furthermore, there was a positive correlation between the sum of staining (scores and intensity) and co-expression of IGF-1Ec and survivin (P=0.043, ρ=0.225). However, there was no association between concomitant expression of IGF-1Ec and p53. These results emphasized the importance of IGF-1Ec expression during development of non-estrogen dependent endometrial adenocarcinoma. IGF-1Ec and PTEN may function opposingly during endometrial carcinogenesis. By contrast, IGF-1Ec and survivin may share common molecular pathways and may promote, in parallel, tumoral development.
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Affiliation(s)
- Aggelis Stavropoulos
- Fourth Obstetrics and Gynecology Department, 'Elena Venizelou' General Hospital, Athens 11521, Greece
| | - Michail Varras
- Fifth Obstetrics and Gynecology Department, 'Elena Venizelou' General Hospital, Athens 11521, Greece
| | - Anastassios Philippou
- Department of Physiology, Medical School, National Kapodistrian University, Athens 11527, Greece
| | - Thivi Vasilakaki
- Pathology Department, 'Tzaneio' General Hospital, Piraeus 18536, Greece
| | | | - Fani-Niki Varra
- Pharmacy Department, Frederick University, Nicosia 1036, Cyprus
| | | | - Andreas C Lazaris
- First Pathology Department, Medical School, National Kapodistrian University, Athens 11527, Greece
| | - Michael Koutsilieris
- Department of Physiology, Medical School, National Kapodistrian University, Athens 11527, Greece
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90
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Sari C, SÜmer C, Celep EyÜpoĞlu F. Caffeic acid phenethyl ester induces apoptosis in colorectal cancer cells via inhibition of survivin. ACTA ACUST UNITED AC 2020; 44:264-274. [PMID: 33110364 PMCID: PMC7585156 DOI: 10.3906/biy-2003-18] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Accepted: 06/18/2020] [Indexed: 01/08/2023]
Abstract
Colorectal cancer is one of the most common types of cancer. Drug resistance and drug-induced damage of healthy tissues are major obstacles in cancer treatment. Therefore, to develop efficient anticancer therapy, it is necessary to find compounds that affect tumor cells, but do not exhibit toxicity to healthy cells. Caffeic acid phenethyl ester (CAPE) has been demonstrated to have anticancer properties in many types of cancer. In this study, the cytotoxic and apoptotic effects of CAPE on the RKO colorectal cancer cell line and CCD 841-CoN normal colorectal cell line was investigated. In addition, changes in the survivin expression were determined. According to the results, CAPE decreased cell viability in the RKO cell line in a dose-dependent manner. Likewise, CAPE induced apoptotic cell death in approximately 40% of the RKO cells. Furthermore, CAPE treatment increased the Serine 15 (Ser15) and Serine 46 (Ser46) phosphorylation of p53, while decreased the survivin expression. The results suggested that CAPE induced apoptosis by regulating p53 phosphorylation, leading to inhibition of the survivin expression. In accordance with the results, it is suggested that CAPE might be evaluated as an alternative drug in cancer therapy and further investigation is needed within this scope.
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Affiliation(s)
- Ceren Sari
- Department of Medical Biology, Institute of Health Sciences, Karadeniz Technical University, Trabzon Turkey
| | - Ceren SÜmer
- Department of Medical Biology, Institute of Health Sciences, Karadeniz Technical University, Trabzon Turkey
| | - Figen Celep EyÜpoĞlu
- Department of Medical Biology, Faculty of Medicine, Karadeniz Technical University, Trabzon Turkey
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91
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Adamopoulos PG, Tsiakanikas P, Adam EE, Scorilas A. Unraveling novel survivin mRNA transcripts in cancer cells using an in-house developed targeted high-throughput sequencing approach. Genomics 2020; 113:573-581. [PMID: 32980523 DOI: 10.1016/j.ygeno.2020.09.053] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 09/03/2020] [Accepted: 09/22/2020] [Indexed: 12/17/2022]
Abstract
The human baculoviral IAP repeat containing 5 (BIRC5), also known as survivin, is a conserved member of the inhibitor of apoptosis protein (IAPs) family, which is normally expressed during embryonic and fetal development. Although the expression levels of survivin are low in terminally differentiated cells and/or tissues, they can be found notably increased in certain pathological conditions including malignant tumors. Conventional cloning and sequencing techniques have already confirmed that alternative splicing events of the survivin pre-mRNA result in five distinct alternative transcript variants. In the present study, however, we implemented an innovative, in-house developed, targeted DNA-seq assay to identify novel survivin alternative transcript variants with increased depth and coverage that high-throughput sequencing approaches offer. Bioinformatics analysis of the derived NGS datasets unveiled several novel splice junctions between annotated exons of survivin gene as well as the existence of a novel exon of 117 nt, spanning between the annotated exons 3 and 3B. Validation of the NGS findings with PCR-based assays, using variant-specific primers, led to the identification of fourteen novel survivin alternative splice variants (BIRC5 v.4 - v.17), which demonstrate wide expression profiles in a broad established panel of human cell lines. Although the presented novel findings provide a crystal-clear overview of the survivin mRNAs that are actually generated from the pre-mRNA, future studies should focus on the impending necessity of characterizing the biological function of all novel alternative transcript variants as well as the putative protein isoforms. Such studies will further contribute to our understanding of how the balance between survivin isoforms regulate malignant cell proliferation and apoptosis, providing novel diagnostic, prognostic and predictive biomarkers as well as therapeutic targets.
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Affiliation(s)
- Panagiotis G Adamopoulos
- Department of Biochemistry and Molecular Biology, National and Kapodistrian University of Athens, Athens, Greece
| | - Panagiotis Tsiakanikas
- Department of Biochemistry and Molecular Biology, National and Kapodistrian University of Athens, Athens, Greece
| | - Eleni E Adam
- Department of Biochemistry and Molecular Biology, National and Kapodistrian University of Athens, Athens, Greece
| | - Andreas Scorilas
- Department of Biochemistry and Molecular Biology, National and Kapodistrian University of Athens, Athens, Greece.
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92
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Matsushita K, Toyoda T, Yamada T, Morikawa T, Ogawa K. Specific expression of survivin, SOX9, and CD44 in renal tubules in adaptive and maladaptive repair processes after acute kidney injury in rats. J Appl Toxicol 2020; 41:607-617. [PMID: 32969066 DOI: 10.1002/jat.4069] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 08/27/2020] [Accepted: 08/27/2020] [Indexed: 12/12/2022]
Abstract
Acute kidney injury (AKI) is thought to be a reversible condition; however, growing evidence has suggested that AKI may be associated with subsequent development of chronic kidney disease. Although renal tubules have intrinsic regeneration capacity, disruption of the regeneration mechanisms leads to irreversible interstitial fibrosis. In this study, we investigated immunohistochemical markers of renal tubules in adaptive and maladaptive repair processes to predict AKI reversibility. Histopathological analysis demonstrated that regenerative tubules and dilated tubules were observed in the kidneys of AKI model rats after ischemia/reperfusion (I/R). Regenerative tubules gradually redifferentiated after I/R, whereas dilated tubules exhibited no tendency for redifferentiation. In fibrotic areas of the kidney in renal fibrosis model rats subjected to I/R, renal tubules were dilated or atrophied. There results suggested that the histopathological features of renal tubules in the maladaptive repair were dilation or atrophy. From microarray data of regenerative tubules, survivin, SOX9, and CD44 were extracted as candidate markers. Immunohistochemical analysis demonstrated that survivin and SOX9 were expressed in regenerative tubules, whereas SOX9 was also detected in renal tubules in fibrotic areas. These findings indicated that survivin and SOX9 contributed to renal tubular regeneration, whereas sustained SOX9 expression may be associated to fibrosis. CD44 was expressed in dilated tubules in the kidneys of AKI model rats and in the tubules of fibrotic areas of renal fibrosis model rats, suggesting that CD44 was expressed in renal tubules in maladaptive repair. Thus, these factors could be useful markers for detecting disruption of the regenerative mechanisms of renal tubules.
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Affiliation(s)
- Kohei Matsushita
- Division of Pathology, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan
| | - Takeshi Toyoda
- Division of Pathology, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan
| | - Takanori Yamada
- Division of Pathology, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan.,Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, Fuchu, Tokyo, Japan
| | - Tomomi Morikawa
- Division of Pathology, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan
| | - Kumiko Ogawa
- Division of Pathology, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan
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93
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Yang PL, Liu LX, Li EM, Xu LY. STAT3, the Challenge for Chemotherapeutic and Radiotherapeutic Efficacy. Cancers (Basel) 2020; 12:cancers12092459. [PMID: 32872659 PMCID: PMC7564975 DOI: 10.3390/cancers12092459] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 08/25/2020] [Accepted: 08/27/2020] [Indexed: 02/05/2023] Open
Abstract
Chemoradiotherapy is one of the most effective and extensively used strategies for cancer treatment. Signal transducer and activator of transcription 3 (STAT3) regulates vital biological processes, such as cell proliferation and cell growth. It is constitutively activated in various cancers and limits the application of chemoradiotherapy. Accumulating evidence suggests that STAT3 regulates resistance to chemotherapy and radiotherapy and thereby impairs therapeutic efficacy by mediating its feedback loop and several target genes. The alternative splicing product STAT3β is often identified as a dominant-negative regulator, but it enhances sensitivity to chemotherapy and offers a new and challenging approach to reverse therapeutic resistance. We focus here on exploring the role of STAT3 in resistance to receptor tyrosine kinase (RTK) inhibitors and radiotherapy, outlining the potential of targeting STAT3 to overcome chemo(radio)resistance for improving clinical outcomes, and evaluating the importance of STAT3β as a potential therapeutic approach to overcomes chemo(radio)resistance. In this review, we discuss some new insights into the effect of STAT3 and its subtype STAT3β on chemoradiotherapy sensitivity, and we explore how these insights influence clinical treatment and drug development for cancer.
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Affiliation(s)
- Ping-Lian Yang
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, China; (P.-L.Y.); (L.-X.L.)
- Institute of Oncologic Pathology, Shantou University Medical College, Shantou 515041, Guangdong, China
| | - Lu-Xin Liu
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, China; (P.-L.Y.); (L.-X.L.)
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong, China
| | - En-Min Li
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, China; (P.-L.Y.); (L.-X.L.)
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong, China
- Correspondence: (E.-M.L.); (L.-Y.X.); Tel.: +86-754-88900460 (L.-Y.X.); Fax: +86-754-88900847 (L.-Y.X.)
| | - Li-Yan Xu
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, China; (P.-L.Y.); (L.-X.L.)
- Institute of Oncologic Pathology, Shantou University Medical College, Shantou 515041, Guangdong, China
- Correspondence: (E.-M.L.); (L.-Y.X.); Tel.: +86-754-88900460 (L.-Y.X.); Fax: +86-754-88900847 (L.-Y.X.)
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Li Y, Zhao ZG, Luo Y, Cui H, Wang HY, Jia YF, Gao YT. Dual targeting of Polo-like kinase 1 and baculoviral inhibitor of apoptosis repeat-containing 5 in TP53-mutated hepatocellular carcinoma. World J Gastroenterol 2020; 26:4786-4801. [PMID: 32921957 PMCID: PMC7459198 DOI: 10.3748/wjg.v26.i32.4786] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 06/04/2020] [Accepted: 08/04/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC), often diagnosed at advanced stages without curative therapies, is the fifth most common malignant cancer and the second leading cause of cancer-related mortality. Polo-like kinase 1 (PLK1) is activated in the late G2 phase of the cell cycle and is required for entry to mitosis. Interestingly, PLK1 is overexpressed in many HCC patients and is highly associated with poor clinical outcome. Baculoviral inhibitor of apoptosis repeat-containing 5 (BIRC5) is also highly overexpressed in HCC and plays key roles in this malignancy. AIM To determine the expression patterns of PLK1 and BIRC5, as well as their correlation with p53 mutation status and patient clinical outcome. METHODS The expression patterns of PLK1 and BIRC5, and their correlation with p53 mutation status or patient clinical outcome were analyzed using a TCGA HCC dataset. Cell viability, cell apoptosis, and cell cycle arrest assays were conducted to investigate the efficacy of the PLK1 inhibitors volasertib and GSK461364 and the BIRC5 inhibitor YM155, alone or in combination. The in vivo efficacy of volasertib and YM155, alone or in combination, was assessed in p53-mutated Huh7-derived xenograft models in immune-deficient NSIG mice. RESULTS Our bioinformatics analysis using a TCGA HCC dataset revealed that PLK1 and BIRC5 were overexpressed in the same patient subset and their expression was highly correlated. The overexpression of both PLK1 and BIRC5 was more frequently detected in HCC with p53 mutations. High PLK1 or BIRC5 expression significantly correlated with poor clinical outcome. PLK1 inhibitors (volasertib and GSK461364) or a BIRC5 inhibitor (YM155) selectively targeted Huh7 cells with mutated p53, but not HepG2 cells with wild-type p53. The combination treatment of volasertib and YM155 synergistically inhibited the viability of Huh7 cells via apoptotic pathway. The efficacy of volasertib and YM155, alone or in combination, was validated in vivo in a Huh7-derived xenograft model. CONCLUSION PLK1 and BIRC5 are highly co-expressed in p53-mutated HCC and inhibition of both PLK1 and BIRC5 synergistically compromises the viability of p53-mutated HCC cells in vitro and in vivo.
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Affiliation(s)
- Yan Li
- Department of Hepatology, Nankai University Affiliated Third Center Hospital, Tianjin 300170, China
| | - Zhen-Gang Zhao
- Department of Hepatology, Nankai University Affiliated Third Center Hospital, Tianjin 300170, China
| | - Yin Luo
- Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Institute of Hepatobiliary Disease, Nankai University Affiliated Third Center Hospital, Tianjin 300170, China
| | - Hao Cui
- Department of Hepatology, Nankai University Affiliated Third Center Hospital, Tianjin 300170, China
| | - Hao-Yu Wang
- Department of Hepatology, Nankai University Affiliated Third Center Hospital, Tianjin 300170, China
| | - Yan-Fang Jia
- Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Tianjin Medical University Third Center Clinical College, Tianjin 300170, China
| | - Ying-Tang Gao
- Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Institute of Hepatobiliary Disease, Nankai University Affiliated Third Center Hospital, Tianjin 300170, China
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95
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Li X, Wei Y, Wei X. Napabucasin, a novel inhibitor of STAT3, inhibits growth and synergises with doxorubicin in diffuse large B-cell lymphoma. Cancer Lett 2020; 491:146-161. [PMID: 32798587 DOI: 10.1016/j.canlet.2020.07.032] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 07/13/2020] [Accepted: 07/22/2020] [Indexed: 02/08/2023]
Abstract
Diffuse large B-cell lymphoma (DLBCL), the most common type of aggressive non-Hodgkin lymphoma (NHL), has highly heterogeneous molecular characteristics. Although some patients initially respond to standard R-CHOP therapy, 30-40% develop refractory disease or suffer relapse. Signal transducer and activator of transcription 3 (STAT3), which regulates multiple oncogenic processes, has been found to be constitutively activated in various cancers, including DLBCL, suggesting its potential as a therapeutic target. In this study, we determined that 34% (23/69) of DLBCL patients expressed pSTAT3 (Y705) in tumour tissues. Napabucasin, a novel STAT3 inhibitor, exhibited potent cytotoxicity against NHL cell lines in a dose-dependent manner. Mechanistic studies demonstrated that napabucasin induced intrinsic and extrinsic cell apoptosis, downregulated the expression of STAT3 target genes, including the antiapoptotic protein Mcl-1, and regulated the ROS-mediated mitogen-activated protein kinase (MAPK) pathway. Most importantly, in vivo studies revealed the suppressive efficacy of napabucasin as a monotherapy without obvious toxicity. Furthermore, preliminary combination studies of napabucasin with doxorubicin showed significant synergism both in vitro and in vivo. Thus, our studies provide evidence that napabucasin alone or in combination is a promising therapeutic candidate for DLBCL patients.
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Affiliation(s)
- Xue Li
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, 610041, Sichuan, People's Republic of China
| | - Yuquan Wei
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, 610041, Sichuan, People's Republic of China
| | - Xiawei Wei
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, 610041, Sichuan, People's Republic of China.
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96
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Rawat L, Hegde H, Hoti SL, Nayak V. Piperlongumine induces ROS mediated cell death and synergizes paclitaxel in human intestinal cancer cells. Biomed Pharmacother 2020; 128:110243. [PMID: 32470748 DOI: 10.1016/j.biopha.2020.110243] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 05/02/2020] [Accepted: 05/10/2020] [Indexed: 01/20/2023] Open
Abstract
Piperlongumine (PL), a herbal drug extracted from long pepper (Piper longum L), is known for its anti-inflammatory and anti-cancer properties. Although, its anti-cancer potential has been evaluated in cancer models like breast, pancreatic, gastric, hepatocellular and lung carcinoma, there is no report on its bio-activity evaluation in intestinal cancers. Here, we report the anti-neoplastic potential of PL against human intestinal carcinoma in-vitro and its possible mechanisms of action. Cytotoxicity studies demonstrate that PL inhibits cell proliferation of INT-407 and HCT-116 cells in a concentration and time-dependent manner. Also, PL elevated the levels of intracellular reactive oxygen species, which may lead to lethal oxidative stress, mitochondrial dysfunction, and nuclear fragmentation. Remarkably, P53, P21, BAX, and SMAD4 were significantly upregulated after PL treatment whereas; BCL2 and SURVIVIN were down-regulated. Moreover, the combination study also shows the synergistic effect of PL with the current chemotherapeutic drug paclitaxel. These findings suggest that PL possesses anti-neoplastic properties in intestinal cancer cells.
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Affiliation(s)
- Laxminarayan Rawat
- Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, K.K. Birla Goa Campus, NH-17B, Zuarinagar, Goa 403726, India.
| | - Harsha Hegde
- ICMR-National Institute of Traditional Medicine, Nehru Nagar, Belagavi, 590010, Karnataka, India.
| | | | - Vijayashree Nayak
- Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, K.K. Birla Goa Campus, NH-17B, Zuarinagar, Goa 403726, India.
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97
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Abstract
Survivin is one of the most cancer-specific proteins overexpressed in almost all malignancies, but is nearly undetectable in most normal tissues in adults. Functionally, as a member of the inhibitor of apoptosis family, survivin has been shown to inhibit apoptosis and increase proliferation. The antiapoptotic function of survivin seems to be related to its ability to inhibit caspases directly or indirectly. Furthermore, the role of survivin in cell cycle division control is related to its role in the chromosomal passenger complex. Consistent with its determining role in these processes, survivin plays a crucial role in cancer progression and cancer cell resistance to anticancer drugs and ionizing radiation. On the basis of these findings, recently survivin has been investigated intensively as an ideal tumor biomarker. Thus, multiple molecular approaches such as use of the RNA interfering technique, antisense oligonucleotides, ribozyme, and small molecule inhibitors have been used to downregulate survivin regulation and inhibit its biological function consequently. In this review, all these approaches are explained and other compounds that induced apoptosis in different cell lines through survivin inhibition are also reported.
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98
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Izquierdo AG, Carreira MC, Rodriguez-Carnero G, Fernandez-Quintela A, Sueiro AM, Martinez-Olmos MA, Guzman G, De Luis D, Pinhel MAS, Nicoletti CF, Nonino CB, Ortega FJ, Portillo MP, Fernandez-Real JM, Casanueva FF, Crujeiras AB. Weight loss normalizes enhanced expression of the oncogene survivin in visceral adipose tissue and blood leukocytes from individuals with obesity. Int J Obes (Lond) 2020; 45:206-216. [PMID: 32546857 DOI: 10.1038/s41366-020-0630-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 05/21/2020] [Accepted: 06/01/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUND/OBJECTIVES Survivin is an oncogene associated with a decrease in apoptosis, an increase in tumor growth, and poor clinical outcome of diverse malignancies. A correlation between obesity, cancer, and survivin is reported in the literature. To date, the impact of weight loss on change in survivin levels is understudied. This study was aimed at: (1) comparing survivin levels in adipose tissue (AT) from lean and obese animal models and evaluating changes after weight loss induced by energy restriction and/or exercise; (2) comparing survivin levels in normal weighted and obese humans and evaluating changes in survivin levels after weight loss induced by a very-low-calorie ketogenic diet (VLCKD) or bariatric surgery in AT and/or blood leukocytes (PBL/PBMCs). SUBJECTS/METHODS Survivin expression was evaluated in subcutaneous (SAT) and visceral (VAT) AT derived from animal models of monogenic (Zucker rats) and diet-induced obesity (Sprague Dawley rats and C57BL/6J mice) and after a 4-week weight-loss protocol of energy restriction and/or exercise. Plasma was used to measure the inflammatory status. Survivin expression was also evaluated in PBMCs from patients with obesity and compared with normal weight, in PBLs after VLCKD, and in SAT and/or PBLs after bariatric surgery. RESULTS Survivin expression was specifically higher in VAT from obese that lean animals, without differences in SAT. It decreased after weight loss induced by energy restriction and correlated with adiposity and inflammatory markers. In humans, the correlation between being obese and higher levels of survivin was confirmed. In obese subjects, survivin levels were reduced following weight loss after either VLCKD or bariatric surgery. Particularly, a decrease in PBMCs expression (not in SAT one) was found after surgery. CONCLUSIONS Weight loss is effective in decreasing survivin levels. Also, PBL/PBMC should be regarded as appropriate mirror of survivin levels in VAT for the identification of an obesity-related protumoral microenvironment.
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Affiliation(s)
- Andrea G Izquierdo
- Epigenomics in Endocrinology and Nutrition Group, Instituto de Investigacion Sanitaria (IDIS), Complejo Hospitalario Universitario de Santiago (CHUS/SERGAS), Santiago de Compostela, Spain.,CIBER Fisiopatologia de la Obesidad y Nutricion (CIBERobn), Madrid, Spain
| | - Marcos C Carreira
- CIBER Fisiopatologia de la Obesidad y Nutricion (CIBERobn), Madrid, Spain.,Molecular Endocrinology Group, Instituto de Investigacion Sanitaria (IDIS), Complejo Hospitalario Universitario de Santiago (CHUS/SERGAS) and Santiago de Compostela University (USC), Santiago de Compostela, Spain
| | - Gemma Rodriguez-Carnero
- Epigenomics in Endocrinology and Nutrition Group, Instituto de Investigacion Sanitaria (IDIS), Complejo Hospitalario Universitario de Santiago (CHUS/SERGAS), Santiago de Compostela, Spain
| | - Alfredo Fernandez-Quintela
- CIBER Fisiopatologia de la Obesidad y Nutricion (CIBERobn), Madrid, Spain.,Nutrition and Obesity Group, Department of Nutrition and Food Science, University of the Basque Country (UPV/EHU) and Lucio Lascaray Research Institute, Vitoria, Spain
| | - Aurelio M Sueiro
- Molecular Endocrinology Group, Instituto de Investigacion Sanitaria (IDIS), Complejo Hospitalario Universitario de Santiago (CHUS/SERGAS) and Santiago de Compostela University (USC), Santiago de Compostela, Spain
| | - Miguel A Martinez-Olmos
- Epigenomics in Endocrinology and Nutrition Group, Instituto de Investigacion Sanitaria (IDIS), Complejo Hospitalario Universitario de Santiago (CHUS/SERGAS), Santiago de Compostela, Spain.,CIBER Fisiopatologia de la Obesidad y Nutricion (CIBERobn), Madrid, Spain
| | - German Guzman
- Medical Department Pronokal, Pronokal Group, Barcelona, Spain
| | - Daniel De Luis
- Endocrinology and Nutrition Research Center, School of Medicine, Department of Endocrinology and Nutrition, Hospital Clinico Universitario, University of Valladolid, Valladolid, Spain
| | - Marcela A S Pinhel
- Department of Internal Medicine, Laboratory of Nutrigenomic Studies, Ribeirao Preto Medical School, FMRP, University of Sao Paulo, USP, Sao Paulo, Brazil
| | - Carolina F Nicoletti
- Department of Internal Medicine, Laboratory of Nutrigenomic Studies, Ribeirao Preto Medical School, FMRP, University of Sao Paulo, USP, Sao Paulo, Brazil
| | - Carla B Nonino
- Department of Internal Medicine, Laboratory of Nutrigenomic Studies, Ribeirao Preto Medical School, FMRP, University of Sao Paulo, USP, Sao Paulo, Brazil
| | - Francisco J Ortega
- CIBER Fisiopatologia de la Obesidad y Nutricion (CIBERobn), Madrid, Spain.,Department of Diabetes, Endocrinology, and Nutrition (UDEN), Institut d'Investigació Biomèdica de Girona (IdIBGi), Girona, Spain
| | - Maria P Portillo
- CIBER Fisiopatologia de la Obesidad y Nutricion (CIBERobn), Madrid, Spain.,Nutrition and Obesity Group, Department of Nutrition and Food Science, University of the Basque Country (UPV/EHU) and Lucio Lascaray Research Institute, Vitoria, Spain
| | - Jose M Fernandez-Real
- CIBER Fisiopatologia de la Obesidad y Nutricion (CIBERobn), Madrid, Spain.,Department of Diabetes, Endocrinology, and Nutrition (UDEN), Institut d'Investigació Biomèdica de Girona (IdIBGi), Girona, Spain
| | - Felipe F Casanueva
- CIBER Fisiopatologia de la Obesidad y Nutricion (CIBERobn), Madrid, Spain.,Molecular Endocrinology Group, Instituto de Investigacion Sanitaria (IDIS), Complejo Hospitalario Universitario de Santiago (CHUS/SERGAS) and Santiago de Compostela University (USC), Santiago de Compostela, Spain
| | - Ana B Crujeiras
- Epigenomics in Endocrinology and Nutrition Group, Instituto de Investigacion Sanitaria (IDIS), Complejo Hospitalario Universitario de Santiago (CHUS/SERGAS), Santiago de Compostela, Spain. .,CIBER Fisiopatologia de la Obesidad y Nutricion (CIBERobn), Madrid, Spain.
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99
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Stavropoulos A, Varras M, Vasilakaki T, Varra VK, Varra FN, Tsavari A, Nonni A, Kavantzas N, Lazaris AC. Expression of anti-apoptotic protein survivin in human endometrial carcinoma: Clinical and pathological associations as a separate factor and in combination with concomitant PTEN and p53 expression. Oncol Lett 2020; 20:1033-1054. [PMID: 32724342 PMCID: PMC7377108 DOI: 10.3892/ol.2020.11690] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 04/21/2020] [Indexed: 12/12/2022] Open
Abstract
Endometrial carcinoma is one of the most common types of gynecological cancer. A total of 99 cases of primary endometrial carcinoma were investigated for survivin expression by immunohistochemistry. Furthermore, the association between concomitant survivin, PTEN and p53 expression, and clinicopathological parameters was examined. Immunopositivity for survivin was identified in 88% of cases. Concomitant survivin, PTEN and p53 expression (staining scores and intensity) was observed in 60% of endometrial adenocarcinomas. A significant association was identified between the sum of staining intensity and scores of survivin immunopositive cells, and patient age (P=0.028), histological grade (P<0.001), clinical stage (P=0.018) and fallopian tube and/or ovarian invasion (P=0.039). A negative tendency for correlation was observed between surivin and PTEN immunostaining scores (P=0.062; ρ=−0.238). Specimens with high scores of survivin expression tended to show decreased scores of PTEN immunostaining, and vice versa. However, in circumstances with an increased co-expression of survivin and PTEN, a statistically significant association with histological types was observed (P=0.020). A statistically significant positive correlation was identified between survivin and p53 sum co-expression (P=0.008; ρ=0.300). Furthermore, a significant association was identified between survivin and p53 concomitant sum expression and age of patients (P=0.001), histological type (P=0.020), clinical stage (P=0.037), histological differentiation (P=0.001) and presence of fallopian tube and/or ovarian invasion (P=0.026). The present findings suggested that survivin may be an indicator of unfavorable outcome in older patients with endometrial carcinoma, in specific circumstances that are dependent on different concomitant genetic alterations and different combinations of molecular signaling pathways. Increased expression levels of survivin and PTEN may serve a role in the development of more aggressive endometrial carcinoma during their interaction. In addition, protein expression levels of survivin and p53 are positively correlated and may share a common molecular pathway to promote endometrial carcinogenesis. These findings provided evidence that survivin and p53 combined may be useful markers for the prediction of tumor behavior and prognosis.
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Affiliation(s)
- Aggelis Stavropoulos
- Forth Obstetrics and Gynecology Department, 'Elena Venizelou' General Hospital, Athens 11521, Greece
| | - Michail Varras
- Fifth Obstetrics and Gynecology Department, 'Elena Venizelou' General Hospital, Athens 11521, Greece
| | - Thivi Vasilakaki
- Department of Pathology, 'Tzaneio' General Hospital, Piraeus 18536, Greece
| | | | - Fani-Niki Varra
- Department of Pharmacy, Frederick University, Nicosia 1036, Cyprus
| | - Aikaterini Tsavari
- Department of Pathology, 'Tzaneio' General Hospital, Piraeus 18536, Greece
| | - Aphrodite Nonni
- First Pathology Department, Medical School, National Kapodistrian University, Athens 11527, Greece
| | - Nikolaos Kavantzas
- First Pathology Department, Medical School, National Kapodistrian University, Athens 11527, Greece
| | - Andreas C Lazaris
- First Pathology Department, Medical School, National Kapodistrian University, Athens 11527, Greece
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100
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Predictors for hepatocellular carcinoma recurrence after microwave ablation. Clin Exp Hepatol 2020; 6:77-84. [PMID: 32728623 PMCID: PMC7380471 DOI: 10.5114/ceh.2019.95115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 12/19/2019] [Indexed: 11/19/2022] Open
Abstract
Aim of the study Microwave ablation (MWA) for treatment of hepatocellular carcinoma (HCC) is a new promising modality. The prognosis after treatment is mainly linked to the recurrence. We aimed to investigate the predictive value of α-fetoprotein (AFP) score and Aurora B kinase (AURKB) in HCC recurrence after MWA. Material and methods A cross-sectional study where 25 early-stage HCC patients (Barcelona Clinic Liver Cancer 0/A-B) were treated with MWA. Tumor biopsies were obtained just prior to MWA and assessed for WHO pathological grade and AURKB expression by immunohistochemistry. AFP score was calculated and a cut-off value of 2 classifies patients into high and low risk of recurrence. After achieving complete ablation, patients were followed every 3 months for 1 year by triphasic CT to detect recurrence. Results Child-Pugh classification has no significant impact on prognosis of HCC after MWA (χ2 = 1.924, p = 0.165). Serum AFP level and AFP score can effectively predict the response to MWA among HCC patients (χ2 = 6.451, MCp = 0.031) (χ2 = 9.0, p = 0.003), respectively. AFP score was strongly associated with the pathological grade of the tumor (r = 0.467, p = 0.019). AURKB was over-expressed in tumoral more than non-tumoral specimens (p < 0.001). It was correlated with the size of the tumor, the number of tumor nodules and the pathological grade of the tumor (p < 0.05) but has no role in predicting recurrence after MWA (p = 0.869). Conclusions AFP score but not AURKB can predict the risk of recurrence of HCC after MWA.
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